Merge pull request #18 from MDykstra/master

AC_CONFIG_HEADERS to please automake 1.13
Update mate-system-monitor.desktop.in.in

choose a unique name
add generic name
Merge pull request #19 from NiceandGently/master

fix desktop file
"Removed ChangeLog"
Merge branch 'master' of github.com:mate-desktop/mate-system-monitor
Add empty ChangeLog to allow build from git
Add transifex configuration file
Sync translations with transifex
Bump version to 1.6.0
Add manpage for mate-system-monitor
Closes #20 (https://github.com/mate-desktop/mate-system-monitor/issues/20)