teensy fixes & samd51

Remove duplicate line in 12 MHz AVR asm

Change latch time to 300 uS for latest WS2812B pixels

Updated version to 1.1.0

Update version # in library.properties

Bump to 1.0.5

Update version #

Merge pull request adafruit#61 from PaintYourDragon/master

Initial RGBW support

Arduino Zero support

ESP8266 support (based on Makuna's NeoPixelBus lib)