Require Ruby 1.9.2
Replace multi_json with json
add depend_on_asset directive description in README
two small docfixes in Sprockets::Processing
Update Travis Ruby Versions

Remove Ruby 1.8.7 & REE: officially EOL
Remove Ruby 1.9.2: unmaintained

Only test JRuby in 1.9 mode
Merge pull request #455 from landtax/master

add depend_on_asset directive description in README
Merge pull request #458 from tiegz/docfix

Two small docfixes in Sprockets::Processing
Merge branch 'remove_multi_json_dependency' of https://github.com/sferik/sprockets into sferik-remove_multi_json_dependency

Conflicts:
	.travis.yml
Merge branch 'master' of https://github.com/sstephenson/sprockets
Merge branch 'master' into source-maps
Depend on sourcemap gem

/cc @maccman
Add minitest gem
Load minitest
Tests need to be test_
assert_not_equal is gone
assert_raise -> assert_raises
Merge pull request #469 from sstephenson/miniunit

Switch to minitest
Merge branch 'master' into source-maps
Axe vlq test
Axe source map test