update launch
when ide runtime points to inexistent install, search for a useable one
updates to .gitignore (egit wants it that way)
cleanups
cleanups
fix gitignores
fix build scripts (update site locations)
fix wrangler.core build
Merge branch 'pu' into builder_config

Conflicts:
	org.erlide.runtime/src/org/erlide/runtime/api/ErlSystemStatus.xtend