more user feedback
Merge branch 'master' of https://github.com/thornwishstalon/turbo-octo-dangerzone

Conflicts:
	src/main/ApplicationStatus.java
fix bug: forgot to write current index block to disk on index.backup()
fixed search
Merge branch 'master' of https://github.com/thornwishstalon/turbo-octo-dangerzone

Conflicts:
	src/index/InvertedIndex.java
	src/main/ApplicationStatus.java
	src/main/input/command/commands/EnableBigrams.java
	src/main/input/settings/ApplicationSetup.java
	src/processor/BlockMerger.java
	src/processor/pipe/Indexing.java
	src/processor/pipe/ProcessPipe.java
	src/processor/pipe/QueryLookStage.java
	src/processor/pipe/QueryPipe.java