Move parsing from elixir_interpolations to elixir_parser
Sigils can now handle balanced tokens as in `%s(f(o)o)`

Closes #1480
Speed up mix compile by relying on the manifests information
Improve mix coverage for dependent files
Cleaning up Version docs
Fixing docs typos in IO.ANSI
Merge pull request #1816 from jwarwick/ioansi_docs

Fixing docs typos in IO.ANSI
Doc fix for Kernel.SpecialForms
Merge pull request #1817 from parroty/doc

Doc fix for Kernel.SpecialForms
Cleaned up ExUnit docs
Merge pull request #1818 from jwarwick/io_ansi_links

Cleaned up ExUnit docs
Merge pull request #1813 from jwarwick/version_docs

Cleaning up Version docs
Improve and/or docs, closes #1812
Clean up ebin on Makefile recompile, closes #1808
Cleaned up Record docs
Merge pull request #1822 from jwarwick/record_docs

Cleaned up Record docs
Impose === as the operator in the Dict API
Impose === as the operator in the Set API
Fix build bootstrap
Use :lists.member as it uses === and not ==