A-10C: fix categories of some controls

- FLAP_POS
- GEAR_HORN_SILENCE
- FLAPS_SWITCH
- TISL_MODE
- TISL_SLANT_RANGE
- LAMP_TEST_BTN
- SAI_CAGE
- SAI_PITCH_TRIM
- UHF_FUNCTION
A-10C: fix altimeter pressure controls
A-10C: remove redundant string outputs and fix alitmeter pressure controls
A-10C: fix swapped normal/tenths for engine temperature and core speed
A-10C: Add missing gauges and indicators

- Oxygen pressure, flow, volume
- Cabin pressure altitude
- DVADR "End of Tape" and "Record" lights
A-10C: add digital clock export, change CMSP line length to 19
Merge pull request #31 from jboecker/a10c-fixes

A-10C fixes (this changes most of the output addresses)