Preparations for the 1.0 release

* Less cluttered solution layout.
* Move examples to a repository of its own.
* Move Roslyn analyzer to a repository of its own.
* Enable central package management.
* Clean up csproj files.
* Add README file to NuGet packages.

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/CannotAssignValueToFlag/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Flags cannot be assigned a value.
+
+       dog --alive foo
+           ^^^^^^^ Can't assign value

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/CannotAssignValueToFlag/Test_2.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Flags cannot be assigned a value.
+
+       dog -a foo
+           ^^ Can't assign value

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/InvalidShortOptionName/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Short option does not have a valid name.
+
+       dog -f0o
+             ^ Not a valid name for a short option

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/LongOptionNameContainSymbol/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Invalid long option name.
+
+       dog --f€oo
+              ^ Invalid character

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/LongOptionNameIsMissing/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Invalid long option name.
+
+       dog --
+           ^^ Did you forget the option name?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/LongOptionNameIsOneCharacter/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Invalid long option name.
+
+       dog --f
+           ^^^ Did you mean -f?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/LongOptionNameStartWithDigit/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Invalid long option name.
+
+       dog --1foo
+           ^^^^^^ Option names cannot start with a digit

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/NoMatchingArgument/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Could not match 'baz' with an argument.
+
+       giraffe foo bar baz
+                       ^^^ Could not match to argument

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/NoValueForOption/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Option 'name' is defined but no value has been provided.
+
+       dog --name
+           ^^^^^^ No value provided

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/NoValueForOption/Test_2.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Option 'name' is defined but no value has been provided.
+
+       dog -n
+           ^^ No value provided

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/OptionWithoutName/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Option does not have a name.
+
+       dog -
+           ^ Did you forget the option name?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/OptionWithoutName/Test_2.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Expected an option value.
+
+       dog --foo=
+                 ^ Did you forget the option value?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/OptionWithoutName/Test_3.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Expected an option value.
+
+       dog --foo:
+                 ^ Did you forget the option value?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/OptionWithoutName/Test_4.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Expected an option value.
+
+       dog -f=
+              ^ Did you forget the option value?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/OptionWithoutName/Test_5.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Expected an option value.
+
+       dog -f:
+              ^ Did you forget the option value?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnexpectedOption/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unexpected option 'foo'.
+
+       --foo
+       ^^^^^ Did you forget the command?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnexpectedOption/Test_2.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unexpected option 'f'.
+
+       -f
+       ^^ Did you forget the command?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownCommand/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown command 'cat'.
+
+       cat 14
+       ^^^ No such command

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownCommand/Test_2.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown command 'other'.
+
+       empty other
+             ^^^^^ No such command

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownCommand/Test_3.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown command 'bat'.
+
+       dog bat 14
+           ^^^ Did you mean 'cat'?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownCommand/Test_4.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown command 'bat'.
+
+       bat 14
+       ^^^ Did you mean 'cat'?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownCommand/Test_5.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown command 'bat'.
+
+       bat
+       ^^^ Did you mean 'cat'?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownCommand/Test_6.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown command 'bat'.
+
+       dog bat
+           ^^^ Did you mean 'cat'?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownCommand/Test_7.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown command 'bat'.
+
+       qux bat
+           ^^^ Did you mean 'bar'?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownCommand/Test_8.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown command 'bat'.
+
+       foo qux bat
+               ^^^ Did you mean 'bar'?

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownOption/Test_1.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown option 'unknown'.
+
+       dog --unknown
+           ^^^^^^^^^ Unknown option

src/Tests/Spectre.Console.Tests/Expectations/Cli/Parsing/UnknownOption/Test_2.Output.verified.txt

@@ -0,0 +1,4 @@
+Error: Unknown option 'u'.
+
+       dog -u
+           ^^ Unknown option