Multi Module

Adapt pom files to include all dependencies needed by the projects into packaging the jars.
pcells-gui-core

remove files that were not there in the original project
Create module pcells-gui-dcache
Add files to ../pcells-gui-dcache/src/
Move JHistogramDisplay.java from pcells-gui-dcache to pcells-gui-core
getPoolList has changed its return type, these fixes were needed
Create jar creation configs in poms
Add pcells-gui-core manifest entries
Add pcells-gui-dcache manifest entries
Some dependency shuffling
Move Logable interface to separate project pcells-common
Some dependency shuffling
Create pcells-gui-psu module
pcells-gui-psu: Add dependencies and build config
Move PoolGroupLinkCollector.java from pcells-gui-dcache to pcells-gui-psu
Switch to 2.0.3 version
Add dependency to pcells-gui-dcache because PoolGroupLinkCollector.java has moved to pcells-gui-psu
pcells-gui-psu: Remove mainclass entry from manifest
org.pcells: Switch version string to 2.0.3, needed for comparison with version on server
pcells-gui-core: Replace connection related classes with the ones from the dcache repo