Warn about joystick on APM stack

Add mission item no longer times out

Prompt for missing SD Card

Fix bad resource in Airframe Icons

Firmware upgrade usability

correct spelling mistakes

This provides a better workflow for firmware upgrade

bitwise and, not boolean and, to check for bitmasks.

Info View: Fix multi-vehicle handling

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

Adding full path to windeployqt.

Fix multiple vehicles on same link

- Also fix vehicle selector dropdown in toolbar

Apm stuff v2

Airframe Configuration Icons

I know that some people belive that goto's are devil's work
but sometimes (like chaining if/elses for failures) it can
actually simplify the code for a better readability and
improved speed.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

Strings can be expensive to create, all the issues with allocation,
copy of the char members, conversion to UTF-16. QStringLiteral creates
one in compile time.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

virtual marks a method for inclusion on a v-table, but we don't want
the methods of classes that won't be inheritable to have a v-table,
we want, however, to issue a warning if somebody try to inherit
that specific class and reimplement those methods.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

Uploaded new .svg icons referring to Airframe Configuration screen.
Deleted .png files.
Signed-off-by: Carlos Felipe <carlos.felipe@intel.com>

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

Using proper Fact testing to test if the WiFi Bridge is present.

Virtual joystick improvments

Add missing Radio Component trigger

New QGCFlickable control

- Positions are bounded to rectangle
- No longer re-centers if thumbs go outside bounds
- ThumbPad moves to meet first thumb position, this prevents
inadvertent movement as you put your thumb down