add viewport entity type
add inverse icons (yorikvanhavre)

commit: https://github.com/qcad/qcad/commit/f2584dc14a5dead2641072a580d2b86c45f90e37
Update translations
emit signal before document is closed
Merge branch 'master' of github.com:qcad/qcad
Slovenian reference manual
split core of bitmap export into separate file

add option to ignore empty entities in bounding box calculation
fix dll exports
Merge branch 'master' of github.com:qcad/qcad
fix FS#1078 - Break out segment: break out last segment of ray / xline
update translations
update translations, slovenian reference manual
add display angle tool (robert s.)

update cross tool (robert s.)
allow stretching of rays
update translations, manual
clean up
add finish translation sources
Update translations
fix FS#1081 - Modify > Explode: Fails for dimension entities
Merge branch 'master' of github.com:qcad/qcad
update