creating release which includes: #43, #307, #313, #343
re #322: creating branch OBJS322
re #339: creating branch OBJS339
merging OBJS343 back to trunk (fixes #343)
re #343: seems to work
re #343: creating branch OBJS343
hide popup if drag initiated
re #342: creating branch OBJS342
merging OBJS307 back to trunk (fixes #307)
re #307: update docs