fixes #1745 Encode Annotation Text using latin1

for Coin Versions <= 3
+ build with Qt < 4.7 and OCC < 6.5
+ add lost s
use the commit time (in UTC) in version information

as it is more meaningfull than the author time
split the revision information

to a number for those commits common with the blessed master and a number for
those ahead of the current master
choose the url from available remotes