Corretly force the use of the cache for Scala data
Merge pull request #31 from skyluc/issue/scala-compilation-without-cache

Corretly force the use of the cache for Scala data
Adds support for extra helium/lithium prefix in ecosystem sites

The version of Scala IDE is extracted from the bundle which
has been created before.
Modifications in preparation for 2.11.0-M8
Merge pull request #32 from huitseeker/release/4.0.0-m1_2.11.0-M8

Modifications in preparation for 2.11.0-M8
Adds a check for mvn on PATH
Merge pull request #34 from skyluc/issue/check-for-mvn

Adds a check for mvn on PATH
Add nightly build configuration for 3.0.x based on 2.11.

* does not build play (no 2.11 version of Play yet)
* does not build product (it needs Play)
Merge pull request #36 from dragos/release/3.0.x-2.11

Add nightly build configuration for 3.0.x based on 2.11.