RSSI monitoring on CC3D
Updating RSSI documentation
Formatting
Formatting
Formatting, links added
Added link to Github issue handler
Formatting, links added, added supported buzzer
Added gui image, added exit command and formatting
Links added
Links added
emphasize warning.
Added link
Updated links
Update CC3D documentation
Correction of typo and consequences
Enable TX when entering gpspassthrough
Fix double constatns

some constants were double, M_PI was sometimes inherided as double

added -Wdouble-promotion to makefile warnings
Fix feature check (all features must be set to use port)
Merge pull request #175 from ledvinap/fix-double-promotion

Fix double constatns
Merge pull request #170 from Pierre-A/cc3d-updates-pa2

Correction of typo and consequences