Merge pull request #668 from Hoffi1/develop

fix frontend editevent popups, privacy (issues #655, #667)
added default value for email-field (categories, sampledata)
replaced behavior.mootools by behavior.framework
Merge pull request #670 from Hoffi1/develop

issue #655 related: keep filter type on choosevenue, handle searching for "0" same as for "1"
remove htmlentitites/decode from ical output (helper), Ref #603

it appears that displaying special characters was working fine and the
htmlentities/decode was not needed at all.
fixed ordering venues-view, REF #669
altered css, width-px to dt + margin-left to dd
renamed language-string event-view

thx to McKillo as it was mentioned before.  am committing it as there is
no pull request at the moment but it's usefull to have it.
added class pointer to button in modal popup choosevenue/choosecontact

do like to see a hand cursor :)
renamed references of articles
removed obsolete function (move) from venues-model
added few language strings (errors venue-event view)
added language strings (errors venue-event) to front