rename lxqt-session.manpages to manpages
allow build on non-linux platforms (Thanks Pino Toscano)
(Closes: #803656)
Added lintian-overrides for invalid category
fix some wording of debian/copyright
Fixed some copyright dates
* 'debian' of git://anonscm.debian.org/pkg-lxqt/lxqt-session:
Cherry-picking upstream version 0.9.0+20150831.
added upstream signing key and use it in watch file
- Min liblxqt-qt5-0-dev version 0.8.0
- Min Qt version 5.3.2
- bump standards to 3.9.6
- modify debian/rules to provide LIB_SUFFIX
- lintian-overrides for missed manpages and invalid category
- short descriptions and descriptions fixed