Move to akka actors
Cleanup/seperate protocol
Added basic slf4j/logback config
Merge pull request #497 from rorygraves/akka_actors

Akka Actors, protocol cleanup and logging
Update README.md
Move more printlns to logging
Moved some main method tests into proper tests.
Merge pull request #504 from rorygraves/more_logging

Move more printlns to logging
Upgrade to ASM 5. This fixes indexing of Java 8 classes. Also, handle more exception types when reading files during index startup.
Fix missing import.
Add tests of java 8 class file indexing.
Merge pull request #503 from aemoncannon/fix-indexer

Upgrade to ASM 5.
silence the presentation compiler
Merge pull request #508 from fommil/silent_prescomp

silence the presentation compiler