Changes to how AliasNodes, OptArgNodes, handled

Also, some preparations for working in intelliJ.
More tests passing. Switched back to using 1.8
mode for now.
Merge branch 'parser_port' of https://github.com/enebo/rsense into enebo-parser_port

Conflicts:
	src/org/cx4a/rsense/typing/runtime/RuntimeHelper.java
Small commit so I can unstash changes
Merge branch 'parser_port' of https://github.com/enebo/rsense into parser_port

Conflicts:
	build.xml
	lib/JRubyParser.jar
	src/org/cx4a/rsense/CodeAssist.java
Merge pull request #2 from enebo/parser_port

NB working parallel jruby-parser .jar support