* [firmware][ARM] Adjust some value limits for mix sources and update editing UI for LSs, CFs, & telem. bars:
* Increase timer limits to +/-8:59:59 when used with LSs, CFs, & bars;
* Increase Lua script output limits to +/-30K;
* Trim limits based on extended limit model setting;
* Limit TX voltage to 25.5;
* Limit TX time comparison value to 29:59m;
* Use proper GVar limits (user-configured), display precision, & unit in LSs & telem. bars;
* Display timer values properly with hours (instead of mmm:ss).
* [firmware] getTimerString() would fail with times >= 100min if hours weren't shown.
* Fix builds w/out GVars.
* Fix x7 display in telemetry widget (only time is displayed)
* rename drawDate to a more specific name, since it is not generic
fix for x9
* Travis build fix
* Introduce time FONTSIZE_MASK macro
* Cosmetics based on Bertrand's last feedbacks
* Use drawText with tiem string like x12s. Change font ':' which where way to large for SMLSIZE
* MIDSIZE ':' lower dot was not horizontaly symetrical, moving it up one pixel
* Make it all ARM
* Let's try not to brake timer adjust
* Fix
* [X7D] Various fixes
[Others]
- Fixes the Mixer / Inputs MOVE / COPY problem on X9E
- Adds the copy/paste/rename feature in SDCARD menu on X7D/SKY9X
- Merges some duplicated code using the new directory structure
- Cosmetics
