Merge pull request #1329 from jroper/1329-etags-last-modified

If-None-Since and If-Modified-Since interaction not spec compliant
Upgraded to SBT 0.13.0-M2
Upgraded to SBT 0.13.0-RC1
Fixing issue with snapshots
Reverted scalariform config changes
fix content of less-1.4.1.js
Refactored play.api.Logger

 - Changed #map to #foreach. Should use #foreach instead of #map for side-effects.
 - Put some line breaks.
 - Fixed scaladoc comment
 - Removed unnecessary imports
Removed a parameter that has no format specifier.
Mention proper "404" function in docs.
Fixed scripted tests
Merge pull request #1330 from jroper/sbt013

Upgrade to SBT 0.13.0-RC1
Merge pull request #1331 from tototoshi/refactoring-logger-config

Refactored play.api.Logger
Merge pull request #1334 from tototoshi/patch-2

Removed a parameter that has no format specifier.
It appears as though connection failures were not permitting an iteratee to be completed. This caused a particular issue with respect to streamed replies.
Merge pull request #1332 from huntc/netty-promise-recovery

SSE disconnect not detected
Fixed typo in filename.
Adding a link to SBT.
Merge pull request #1323 from CleverCloud/master

Clever Cloud deployment documentation
Merge pull request #1341 from ndeverge/patch-4

Adding a link to SBT.
link to docs instead of replicating them