Stable: Add support for boards without serial port under Linux

Changes:

• Linux: Add support for boards without serial port.
  • See: #46. Thanks @c1728p9 !
• Small documentation updates.

Stable: Linux mbed enumeration issue fix

Changes/bugfixes:

• Bugfix: [Linux] Linux detection ignores undefined target ids
  • See: #37 and #36
• Add unit tests to LinuxGeneric port
• Add basic unit tests for Ubuntu specific platform
• Code polishing

Stable: Add support for Nuvoton NUC472 NuTiny

Changes:

• Add support for Nuvoton NUC472 NuTiny

Stable: Generic Linux support

Changes:

• Add Linux generic support, Thanks @dubek .
• Add unit tests for Generic Linux implementation.
• Add additional '-' and '_' to mount point name regex.
  • We want to scan names of mount points like this:
    • /media/MBED_xxx
    • /media/MBED__xxx
    • /media/MBED-xxx

Stable: BBC micro:bit support

Changes:

• Add BBC micro:bit support
• Update .travis.yml with new Coverage CLI semantics
• README polishing

Stable: pre-TechCon release

Changes:

• Improvements for DISCOVERY-F429ZI STMicro platform used by stm32f429i-disco-gcc yotta target
• Add CONTRIBUTING.md

Stable: Small improvements for Ubuntu

Changes:

• Fix problems on Ubuntu: Allow devices with missing a serial port to show up on Ubuntu.
• Update README.md with --mock functionality
• Update information regarding pip installation

Stable: Mac supoprt improvements and mocking mechanism for prototyping

Changes:

• Add new switch --mock used to map not existing platforms, see #23
• Add check to ensure disk exists in both volumes and mounts, see #21
• Add pylint facilities (also for ci system):
  • pylintrc configuration file
  • lintme.sh script to locally check pylint issues
  • lintme_ci.sh script to check pylint issues in CI systems (helps integrate with e.g. Jenkins)

Stable: Removed pip issue

Bugfix:

• Removed issue with pip install related to MANIFEST.in missing README.md and LICENSE files.

Stable: Support ftr older Macs (and VMs) that only support USB 2.0 and below

Changes:

• Instead of just checking the XHCI USB controller on Mac, mbed-ls now checks XHCI, UHCI, EHCI, and OHCI controllers