added missing index options to invalid index message. Dustin Watson
Test on ruby 2.1.0
Added support for rails 4.1
changed tzinfo
Merge pull request #3473 from tangosource/master

Added compatibility for rails 4.1
Merge pull request #3464 from dustinwatson/feature/index_option_documentation_update

added missing index options to invalid index message. Dustin Watson
Skip any module part that is blank