fix rake assets:precompile enhancing
update changelog [ci skip]
add before hook to perform bower tasks before precompilation
require bower_rails initializer for Rails version less than 4.0.0 while running initializer
Ensuring executable command is not only executable as per Ruby's File class but also an actual file (and not a directory)
Bower is now at http://bower.io/
Merge pull request #74 from Peeja/patch-1

Bower is now at http://bower.io/
Merge pull request #72 from 42dev/issue-72

`rake assets:precompile` not resolving
Merge pull request #73 from clouseauu/master

Ensuring executable command doesn't point to a directory
Update changelog for #73 [ci skip]
Add github option to DSL.
update changelog and readme for #75 [ci skip]
Fix typos in README

Also clarify that `latest` is the default.
Merge pull request #76 from shepmaster/patch-1

Fix typos in README
Update .travis.yml
prepare for 0.7.2 [ci skip]
Bump to 0.7.2 [ci skip]
Add ability to specify ref option which accepts commit's SHA and composes it as a component's version
Add install_before_precompile configurable option to invoke rake bower:install before precompilation
Merge pull request #81 from 42dev/issue-81-sha-option

Add ability to specify SHA option for git endpoints