[NUCLEO_L053R8] Fix ticker issue
Added support for cpputest library. UT libray now compiles as separate lib, just like other libs. For example ETH or RTX. Added support for cpputest sources in root of mbed project (on the same level with mbed sdk repo). changes include adding new paths to the project. Two example UT (UT_1, UT_2 are added). New option -O is introduced to force 'test build only'
[NUCLEO_L053R8] Remove call to SystemClockUpdate function.

It's ok to remove this call on this target because the same system clock
frequency is used with HSE and HSI clocks.
Merge pull request #384 from bcostm/master

[NUCLEO_L053R8] Fix ticker issue
Added TOTO about graceful handle of disk full error in mbed board
Removed example unit tests UT_1, UT_2 from automated list
Added class member self.ONLINE_TOOLCHAIN = ARM to note ARM / UARM default online compiler
Added default on-line compiler info in -S option for target/compiler support
Bumped revision number
Refactoring: Changed option -r and added option -R to print more info about test cases
Bugfixiong after modification in -r and -R options
[HRM1017] Added to build_release.py
Added ARM MPS2 platform support
Changed ONLINE_TOOLCHAIN flag to default_toolchain
error header file rename to mbed_error.h
Add NUCLEOs targets in TMP102 test
Fixed Xadow M0 target support
Changed timeouts for EEPROM line read/writes to 15 because Nucleo targets perform tis test in <12s period
Merge pull request #388 from bcostm/master

Add NUCLEOs targets in TMP102 test
Merge pull request #385 from ytsuboi/master

[HRM1017] Added to build_release.py
Added TODO for test suite improvements.