fix in reading results from Calculix
+ support global custom toolbars
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
remove ssh username
accept ssh://[...].sf.net as origin
calculate the revision number from reference commit
list multiple branches in version info

in case last commit is a octopus merge
+ when checking for custom toolbars do not auto-create sub-groups in user parameters
+ 0001849: Enable Spin Boxes support for Pad, Fillet and Chamfer
+ support of merging projects on App level
Add a new Arch Roof Builder
Fix bug if user enter thickness = 0
Implement Overhang
Ready for merge : fix issues #1618 and #1607

Implement getSubVolume to cut wall with roof.
Now Roof is not hidden when removing it to a wall.
+ fix crash in spnav settings dialog while changing language, improve whitespaces
+ when creating picture check whether pbuffer is supported
use 4 spaces to indent XML output
use ISO 8601 timestamps including timezone

for creation and last changed properties
+ utc time with timezone
 + implement PrefQuantitySpinBox
+ fixes #0001849: Enable Spin Boxes support for Pad, Fillet and Chamfer