Add a few sanity check tests for upcase & downcase
removed use of local variables in shell scripts in order to remove dependency on bash
Merge pull request #1218 from zambal/remove-bash-dependencies

remove dependency on bash in shell scripts
Improve error message for diverged deps
Merge pull request #1217 from ericmj/mix-outofdatedepserror

Improve error message for diverged deps
Add a --force option to `mix local.install`.

Useful for makefiles.
Added more informative error to Makefile when ex_doc is not available.

Added more information to README about building docs.

fixes #1151
Merge pull request #1221 from alexrp/mix-local-install

Add a --force option to `mix local.install`.
Merge pull request #1222 from jjh42/doc-error

Added more informative error to Makefile when ex_doc is not available.
Rename test/doctest.exs file to test/doc_test.exs to follow file name convention
Fix Makefile dependencies
Add missing rm -rf ebin back to docs task
Fix code escaping in ExUnit.Callbacks docstring
Provide reference documentation for module attributes
Document `__info__/1`
Add support for `h AnyModule.__info__`. Closes #1230
Merge pull request #1229 from alco/1132-doc-module-attr

Provide reference documentation for module attributes
Merge branch 'master' of git://github.com/elixir-lang/elixir