replaced bigint with integer for several columns
also adjust fullfacts and annopool (but revert some places where bigint is more suited like files bigger than 2GB)
Merge pull request #70 from thomaskrause/integer

replace bigint with integer on most columns
allow to load application properties from our own configuration directories.

Currently these are loaded:
* WEB-INF/conf/annis-gui.properties
* /etc/annis/annis-gui.properties or ANNIS_CFG/annis-gui.properties
* ~/.annis/annis-gui.properties
load ANNIS service configuration files from different folders
empty instanceconfig object
first steps to include/exclude certain metadata columns in matrix export
remove hack
don't join edge_anno since it is not used
moved corpus annotation join into left outer join part in order to get a result if a non-existing corpus annotation was given
proper namespace handling
allow to set the metakeys parameter in the export panel
Merge pull request #71 from thomaskrause/weka-restrict-meta

fixed #9
restrict metadata selection in WekaExporter 
add InstanceConfig name
add "Fork on GitHub"  ribbon in about panel
add "Help us to make ANNIS better" popup
Merge remote-tracking branch 'origin/master' into config-location
generate windows for each instanceconfig
fixed a small bug in qb identical coverage

"identical coverage" operator was = but should be _=_
add different search windows for each instance