Add a test file for colorizer
Colors and modes should be treated as a different things

Allow to pass Hash and Symbol with String#colorize
Update test cases
Update the colorizer of logger

Update some test cases
Unify the format of colorized text
Fix the order of the arguments of assert_equal
Fix the issue that params is not set correctly, fixes #1648
Merge pull request #1642 from padrino/fix-colorizer

Colors and modes should be treated as a different things
Merge pull request #1650 from padrino/fix-prioritized-routes

Fix the issue that params is not set correctly, fixes #1648
Router: Pass the same `env` variable down
Merge pull request #1651 from judofyr/router-keep-env

Router: Pass the same `env` variable down
fix regression of f7b71b2, remove ancient test and strange code, closes #1652
do not misselect options that use caption as value
fix regression of AbstractFormBuilder#label, add test
change email condition for default AR4.1, ref #1653 [skip ci]
allow :create and :drop tasks with sqlite adapter, ref #1653 [skip ci]
remove sort needed for test exposure, closes #1604
Remove duplicate comment [ci skip]
Add a comment about the rails-style attribute hash to select_tag [ci skip]
Add a few comments about :flush option to content_for [ci skip]
Fixed double escape of & in mail_to helper

* This only manifests itself with mail_to links that have more than one
  query option (subject, body, cc, bcc)
* Escaping & in mail_to is unnecessary, because it is already later
  handled when link_to is called