Updated version to 1.10.1

[mark-edgeworth]

Fixes

• Improved python-3 support
• Parse environment markers when auto installing. #889 Removed a warning generated when parsing the python requirements file
• Fix regression: Allow #tip and #latest tags in *.lib #890 Fix support for 'latest' and 'tip' tags in .lib files
• IOTBTOOL-279: Fix default branch #896 Git now uses the branch that the cache was checked out to, rather than master, by default. This then follows the selection of 'default branch' as understood by github
• Removed option for get_config.py #903 Removed unsupported --profile option when calling get_config.py
• Includes app_config when starting get_config.py #907 get_config now reports the actual built config, even when app_config != mbed_app.json.

New features

• Adjust python 3 warning text and behaviour #900 Improved warning messages around python-3 support.
• Add requirements #884 Platform detection now uses mbedls rather than older detect code

Other changes

• Now dependent on mbed-os-tools and pyserial
• Minimum version of Python now explicitly declared.