initial work.
LockFile integration.
Merge branch 'master' of https://github.com/fsprojects/Paket into github-files
Fix build.
Some unit tests.
Basic project file modification for source files.
Better insertion of source files in msbuild projects.
Merge branch 'master' into github-files

Conflicts:
	src/Paket/DependenciesFile.fs
	src/Paket/Process.fs
	src/Paket/Program.fs
	src/Paket/ProjectFile.fs
Removing manual test project
Fix Lockfile generation