Make unit testing the TypeScriptCompilerArguments simpler.

TypeScriptCompilerArguments now depends in the ITypeScriptOptions
interface instead of the TypeScriptProject.
Fix incorrect compiler options used when option missing from project.
Merge branch 'master' into monodevelop

Conflicts:
	src/TypeScriptBinding.Tests/Hosting/TypeScriptCompilerArgumentsTests.cs
	src/TypeScriptBinding.Tests/TypeScriptBinding.Tests.csproj
	src/TypeScriptBinding/Hosting/TypeScriptCompilerArguments.cs
	src/TypeScriptBinding/TypeScriptBinding.csproj
Remove ProjectWrapper class.