Happy New Year!

• Moved SCons to PlatformIO packages. PlatformIO does not require SCons to be installed in your system. Significantly simplified installation process of PlatformIO. pip install platformiorocks!
• Implemented uploading files to file system of ESP8266 SPIFFS (including OTA) (issue #382)
• Added support for the new Adafruit boards Bluefruit Micro and Feather (issue #403)
• Added support for RFDuino (issue #319)
• Project generator for Emacs text editor (pull #404)
• Updated Arduino framework for Atmel AVR development platform to 1.6.7
• Documented firmware uploading for Atmel AVR development platform using Programmers: AVR ISP, AVRISP mkII, USBtinyISP, USBasp, Parallel Programmer and Arduino as ISP
• Fixed issue with current Python interpreter for Python-based tools (issue #417)