Merge pull request #129 from parrt/add-profiler

Add profiler
add language, autogen fields
hook in language and auto-gen fields to running antlr.
update to 4.4
show missing .tokens, imported grammar file errors in editor.
almost got save / run antlr working.
add bild script
rm unneeded jar
refactor and use 4.4 to gen parsers.
refactor how I get config values. Change how to get project from event.
got external annotator to see imports.
don't report errors from imported files.
indicate bad grammar prevents showing parse tree in parse tree window.
add src location for antlr4
show missing start rule in tree window.
\r\n endings in input files weren't allowed in preview. Fixes #119.
import os in bild
update readme pix
refactor and simplify grammar loading. warn if grammar is not combined. wasn't wiping grammar cache on close.
rm python from project structure