disabled bin.includes=. in order to reduce the plugin size

svn path=/spoofax-imp/trunk/org.strategoxt.imp.editors.aster/; revision=23975
another attempt to reduce deployment bloat and to fix the previous attempt

svn path=/spoofax-imp/trunk/org.strategoxt.imp.editors.aster/; revision=23984
directory in build.properties must end with slash

svn path=/spoofax-imp/trunk/org.strategoxt.imp.editors.aster/; revision=24219
Bump version to 1.2.0 and use Java 7.
Add gitignore.
Merge branch 'master' into spoofax-release