+semver: upgrade to net5.0 (#1390)

* breaking upgrade base build image to net5.0

* add make and build tools to image

* fix code broken after net5.0 upgrade

* fix warnings

* fix tests and line endings

* upgrade dotnet test and coverages packages

* update circle build image

* removed rafty and updated more packages

* bring back develop

* rename authorisation to authorization

Makefile

@@ -1,23 +1,24 @@
-NAME ?= ocelot
-
-build:
-	./build.sh
-
-build_and_run_tests:
-	./build.sh --target=RunTests
-
-release:
-	./build.sh --target=Release
-
-run_acceptance_tests:
-	./build.sh --target=RunAcceptanceTests
-
-run_benchmarks:
-	./build.sh --target=RunBenchmarkTests
-
-run_unit_tests:
-	./build.sh --target=RunUnitTests
-
-release_notes:
-	./build.sh --target=ReleaseNotes
+NAME ?= ocelot
+
+build:
+	./build.sh
+
+build_and_run_tests:
+	./build.sh --target=RunTests
+
+release:
+	./build.sh --target=Release
+
+run_acceptance_tests:
+	./build.sh --target=RunAcceptanceTests
+
+run_benchmarks:
+	./build.sh --target=RunBenchmarkTests
+
+run_unit_tests:
+	./build.sh --target=RunUnitTests
+
+release_notes:
+	./build.sh --target=ReleaseNotes
+