Merge remote-tracking branch 'upstream/master'
Sync translations with transifex
Bump version to 1.9.3
Update configure.ac
zero-init signals array
va_start should be paired with va_end
avoid dereferencing NULL pointer
Revert "Drop support for Glib < 2.36"

This reverts commit e017ed5b24f91705facec821afdc066f7a3523b5.
Revert "Revert "Drop support for Glib < 2.36""

This reverts commit f61b93311585587b105748b77b4b7279b5699a3e.
Merge branch 'master' of github.com:dnk/mate-session-manager
Merge remote-tracking branch 'upstream/master'