Allow to opt in to BindingRedirects - references #415
Parse Redirects option from DependenciesFile
Write Redirects option into LockFile
Parse Redirects option from LockFile
Use the Redirects flag from the lockfile
Describe redirects option in docs
Merge branch 'Redirects'

Conflicts:
	docs/content/paket-install.md
	docs/content/paket-update.md
	src/Paket/Program.fs