#1941: alert if no billing outputter defined
#1941: add ITextPlugin Parameter NOGUI
Merge pull request #6 from ngiger/text_plugins

Text plugins
[1603] fixed RechnungsManager extension point by moving to core.data,
renamed ExtensionPointConstant to ExtensionPointConstantData and
ExtensionPointConstantUi
Add formatter profile for Elexis 3
Update readme.textile
Formatter profile update
Merge branch 'master' of https://github.com/elexis/elexis-3-core
3lexisFormatterProfile applied on all projects
fixed login cancel button and textplugin preference initialization
[1575] Drag and Drop for Laboritem values in Preferences
Limit number of snapshots to 3
Limit number of snapshots to 3, but preserve illimited number of other variants
Added ch.rgw.utility_test
Bumped Tycho from 0.18.1 to 0.19.0
Moved rgw test to ch.rgw.utility.tests. Added VersionTest from branch 2.2_dev
Added ch.elexis.core.ui.importer.div.tests from 2.1.7
Use new mirror.4.elexis
Fix to allow logging with user/password on commandline
private static Logger log. Better comments