we always should load ruby-debug-base for JRuby

this change fix first problem we have with debugging JRuby with language level 2.0.
But after that I've got the following exception which means ruby-debug-base should also be patched for this language level.
Util.java:122:in `typeForEvent': java.lang.IllegalArgumentException: unknown event type: b-return
	from DebugEventHook.java:97:in `eventHandler'
	from EventHook.java:30:in `event'
	from Ruby.java:2882:in `callEventHooks'
	from ThreadContext.java:629:in `trace'
	from ThreadContext.java:625:in `trace'
	from ASTInterpreter.java:140:in `blockPostTrace'
	from ASTInterpreter.java:114:in `INTERPRET_BLOCK'
	from Interpreted19Block.java:206:in `evalBlockBody'
	from Interpreted19Block.java:194:in `yield'
	from Interpreted19Block.java:125:in `call'
	from Block.java:101:in `call'
	from RubyProc.java:274:in `call'
	from RubyProc.java:215:in `call'
	from Ruby.java:2973:in `tearDown'
	from Ruby.java:2957:in `tearDown'
	from Main.java:282:in `internalRun'
	from Main.java:221:in `run'
	from Main.java:201:in `main'
Merge pull request #27 from os97673/patch-1

we always should load ruby-debug-base for JRuby
version bump
use ::Kernel.binding, not just any binding method out there
rely on base bindings, it can create locals-only bindings just fine
fixed exec/fork monkeypathing on Kernel
version bump
Merge branch 'master' of github.com:ruby-debug/ruby-debug-ide
support viewing non-current threads backtraces
improved pause command
Merge branch 'master' of github.com:ruby-debug/ruby-debug-ide

Conflicts:
	lib/ruby-debug-ide/version.rb
Minor code cleanup to make RubyMine happy.
Merge pull request #30 from os97673/minor-cleanup

Minor code cleanup to make RubyMine happy.