Split most of v1 grammar out into F::G::V1Base.
Initial parsing of include-file statements.
Implement --include-file option parsing.  Doesn't actually do anything yet.
Merge branch 'master' into include-file

Conflicts:
	Changes
Test unparsing of assets with quotes.
Basic "grammar v2" parsing tests.
Throw UserInputError rather than a String for publish attempt of include-file.
Share Parser instance between Repository and RuntimeEnvironment.
Create spec/command/include_file_spec.rb.
Initial processing of include-file statements.

"@" expansion not handled yet.
Add attribute to Package indicating whether it is synthetic or not.
Expand "@" in variables in include-file packages.
Bump to v1.1.1.beta.1 and update Changes.