[#855] Honor q value for accept languages, and allow language without country to match language with country
Function.unlift converts A => Option[B] to PF[A,B], so use it
Fix 'play' command when building from source after organisation change.
Improved language handling

Fixes #820 - matching country should be case insensitive
Fixes #1229 - q value sorting should be stable on order in request
header
Merge pull request #1251 from alexanderjarvis/master

Fix 'play' command when building from source after organisation change.
Merge pull request #820 from jroper/messages-matching

i18n lang should ignore uppercase/lowercase
 #1152 Fixed 100 continue support
Merge pull request #1152 from jroper/1152-100

Fix 100-continue support
Fix the doc of select.scala.html

Add the `options` parameter and edit `args` doc to inform about the slecial argument for default values.
Fix the doc of requireJs.scala.html

Change the main description from "Generate an HTML form". Add `productionFolderPrefix` and `folder` parameters.
extract code from forms doc:part1
Fixed error message when stopping NettyServer.

Akka(Invoker) had already been removed by this commit.
https://github.com/playframework/Play20/commit/767ba2f#L7L145
Now, only Logger is stopped here.
Documentation: Iteratees: English corrections and improvements
extract code from scala form doc
add little more test verificate
Update import statements in JavaGuide5.md
Merge pull request #1262 from greenrd/iteratees

Documentation: Iteratees: English corrections and improvements
Merge pull request #1278 from ruderphilipp/patch-9

Update import statements in JavaGuide5.md
Merge remote-tracking branch 'upstream/master' into extract-doccode-scala-forms
extract code from global scala doc