HDI temperature monitoring

Added HDI temperature monitoring.
Removed debug objects from GUI. Added safety check in api.cc.
Merge branch 'master' of https://github.com/psi44/pxar
added a function returning HdiType
Temperature monitoring is shown only if HdiType==fpix.
Clean up code : remove debug messages, and set appropriate indent.
PixTestDaq - renew

- modified to uniform with PixTestXray and to use new common functions.
- delayTBM option added
- maskhotpixels added
- input parameters reordered and buttons added
- verbose info message removed
PixTest - setTriggerFrequency improved

- setTriggerFrequency modified to count the minimal period (to be used
to avoid warning message with daq functions).
- 2 DEBUG messages added
new parameters for PixTestDaq
Merge branch 'master' of https://github.com/hsatoshi/pxar
adapt PR to local coding style
slight rearrangement of display (and truncation of significant digits)
Merge branch 'master' of https://github.com/drberry85/pxar
Make dummydtb compile again after addition of new HAL function GetADC.
This should complete #241
really mask pixels
Merge branch 'master' of github.com:psi46/pxar
correct parsing of checkbox and default settings
changed default DACs for v2 and v21 (with the exception of VTRIM, set to 0)
initialize fit function per pixel
resetROC and resetTBM added