[#1674] Update HtmlUnit from v2.8 to v2.12
[#1674] Update Selenium from v1.0.1 to v2.33

[#1674] Update tests for selenium  v2.33 and htmlUnit 2.12

[#1674] Fix tests to run with new version of lib
[#1668] Fix mailer.test.html

[#1674] Desactivate DefaultCssErrorHandler log

[#1674] do not spit out error page
[#1670] fixed test on master: multidb implementation creates extra metjod JPAContext(?)
[#1518] Propagate exceptions in jobs to promises from .now() and .in() for Controller.await()
[#1625] Add ability to include file in message files
fixed [#1661] WAUrlFetch applies query string params and http headers after writing to response body resulting in an IllegalStateException
[#1625] fixed unwanted side-effect of test: reset language
[#1182] Close Input file is not closed in ServletWrapper
[#1673] jsAction: add option to escape values
  Remove css3 selector (not supported in htmlunit 2.8)
[#1678] Fix @db redirect from MOVED to FOUND
[#1683] Add multipart/mixed support
[#1682] Don't try to generate project docs if no documentation folder
[#1681] Docviewer: allow (and replace) invalid file name characters in project name in doc:export
Removed unused imports from docviewer DocumentationGenerator
[#1675] Fix for exponential execution time problem in Controller.redirect() + test
[#1674] removed obsolete library; see https://github.com/playframework/play1/commit/21b391a3fc76f4ac0520ef3b9a19a1de38bf5164#commitcomment-3664014
Merge pull request #7 from playframework/master

合并原作者更新