added descriptor for InSynth
updated and added URLs for Juno flavor
Bumps build-tools version
Added stable versions of the 4 dev ecosystems:

* 2.9/2.10
* e37/e38
Merge pull request #8 from dragos/add-stable-ecosystems

Added stable versions of the 4 dev ecosystems:
Bumps up build-tools version to 0.3.8
Any community member can play the role of "plugin's sponsor"
Typo
changed p2 repository URLs for supporting dev and stable releases
Adding Play2 plug-in to the Scala IDE ecosystem

Fixes scala-ide/scala-ide-play2#61
Merge pull request #10 from scala-ide/issue/add-play2-plugin-in-ecosystem

Adding Play2 plug-in to the Scala IDE ecosystem
Merge pull request #7 from kaptoxic/InSynth

Added plugin descriptor for InSynth
Adds dev-scala211 configuration