Added new plugin: systemusage
Merge branch 'develop' of code.sat.qc.ca:switcher into develop
removing print in v4l2src
CPU stats were not correctly interpreted in plugin systemusage
systemusage: can now modify the update period
systemusage: Mem cache value was wrong
systemusage: added network usage for all interfaces
async handling for httpsdpdec
improving synchronization of httpsdpdec
Merge branch 'develop' of code.sat.qc.ca:switcher into develop