Update barometer.h

Allow temperature from baro to be used by telemetry
Adding *.sh to gitattributes.
Add parenthesis to expressions to imrove code clarity and remove IDE
warning.
AltHold cleanup.
* Renamed several methods and variables so they make more sense.
* Move more altitude hold related code out of imu.c/h into
altitudehold.c/h.
* Fixed a unsigned integer being using instead of an signed integer in
the throttle calculation code.
Remove outdated note regarding MSP telemetry from documentation.

Thanks stronnag.
Removing OSX temporary files.
Updating .gitignore to ensure no OSX temporary files gets accidentally committed again.
Update serial_cli.c

When using a voltage sensor instead of direct connection for voltage monitoring, vbat_scale max limit is too low. It should be raised to a value greater than 200 (250 or more)
MS5611 - Remove profanity.  Replace comment with code.  Improve code
size.  Improve code readability.
NAZE32PRO - Fix compilation problems.
EUSTM32F103RC - Add Barometer pin defines to target.h to fix build.
MASSIVEF3 - Add new target.
Move linker scripts to src/main/target.
Updating example serial configuration scenarios.
OLIMEXINO - Allow compilation without BARO_PIN.
Merge pull request #104 from airmamaf/patch-5

Update serial_cli.c
Updating unit test to verify expected values with the new maximum
vbatscale value. See #104.
Merge pull request #94 from airmamaf/patch-3

Update barometer.h
FrSky telemetry update
Replace profile.activate and rcOptions with
profile.modeActivationCondition and rcModeActivationMask.

Implementation of using and setting modeActivationConditions is missing.