added guava dependency
initial thoughts
added initialization
introduces cache
changed StringUtils
updated update mechanism
added "abo" as well
Merge branch 'aboIcs' of git.micromata.de:projectforge/projectforge-webapp into aboIcs
Merge remote-tracking branch 'origin/master' into aboIcs
panta rhei calendar abo
use http client
Merge remote-tracking branch 'origin/master' into aboIcs
editable mode disabled for abo events
removed unused documentation
Merge remote-tracking branch 'origin/master' into aboIcs
added rights
added recurrency
added gui elements
npe fix
updated i18n