simplify instructions to clone the repository
Merge pull request #1122 from dagar/patch-1

simplify instructions to clone the repository
Merge remote-tracking branch 'upstream/master'
Limits on set_parameters to +/-1000
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of github.com:ndousse/qgroundcontrol
Merge branch 'SwarmControl' of github.com:ndousse/qgroundcontrol into SwarmControl

Conflicts:
	src/ui/mission/QGCSwarmControl.ui
Merge branch 'master' into SwarmControl