Use sane constant for min and max values in LPE dialogs
Fix locale number handling on powerstroke dialog
Fix unnecessary inclusion of glibmm/threads.h. This can be resolved by ensuring that glibmm headers always preceed glib.h headers. Same applies with gtkmm/gtk+ etc
Remove sp_desktop_document and finish cleanup of desktop-handles.h
Warning cleanup.
Update to experimental r13565
Start cleanup for merge into trunk
Experimental merge of Ponyscape features into trunk (will not compile)