added key-help
turned fused mode on by default
Merge branch 'steffi' of https://github.com/tpietzsch/spimviewer into steffi

Conflicts:
	src/main/java/viewer/CountCells.java
added a comment and changed filepath
updated help
Merge branch 'steffi' of https://github.com/tpietzsch/spimviewer into steffi
added possibiliy to export and display current number of nuclei
Merge branch 'steffi' of github.com:StephanPreibisch/spimviewer into steffi
added interface for comparing and coloring different annotations
changed path
added color mode to tobias's viewer, all sources can have individual
colors assigned which can be combined. The annotation source is by default
white in color mode. This is pretty helpful when two channels are available.