Addition to gitignore and  Fix Yield when no Serial on USB

Update kinetis.h

Add CMP2 addresses

Update DMAChannel.h

I'm planning to merge the teensyduino 1.20 branch of DmaSpi to master tomorrow and then you can remove that hint, or update it please.

http://forum.pjrc.com/threads/26676-Teensy3-x-strncpy_P%28%29-bug

Update DMAChannel.h

Changed  DMABaseClass::source() and destination() to use p's address instead of its value in the if-clause. Taking the value could result in unwated read operations from I/O locations, resulting in data loss.

https://groups.google.com/a/arduino.cc/d/msg/developers/ls3hkviFYM4/XWT2LbfzNcgJ

fix for (long) destinationBuffer  TCD->ATTR_DST

Was set for 16 bit size.

resync

resync

resync

http://forum.pjrc.com/threads/26064-Large-transfers-over-serial-on-Teensy-3-1
http://forum.arduino.cc/index.php/topic,165574.0.html

resync

resync

resync