Added script to generate Eclipse installations.
Move stuff into function.
Zip the installation
Shorter function name
Remove install parameter
Add ant file to mirror Eclipse and Spoofax p2 repositories.
Use zip instead of tar.gz.
Move into subdirectory
Fix wrong director directory.
Add zips that include the JRE (broken for 32 bit versions, because they don't include a server JVM)
Add some error handling to the script and make it a bit fancier.
Ignore JRE directory
Add JDT, PDE and EGit plugins to Eclipse installation.
Bump up the Eclipse headless version to 4.3
Do a clean build instead of an incremental build.
Set default JDT compliance level to 1.7
Allow parallel resolution and materialisation.
Only show errors
Merge branch 'master' into unstable