Re-release to bump library manager

Update library.properties

update for release

2.7.19

• Added Sketch for learn guide: IO Home Series - Home Security #69

2.7.18

Release Notes:

• Add group /get MQTT topic support
• Fix tiny memory/init bugs in Feed
• Update group examples to include group /get support: adafruitio_12_group_sub.ino and adafruitio_11_group_pub.ino

2.7.17

Added subfolder for the IO Home Series

• neopixel_and_thermometer for lights and temperature guide.

2.7.16

Release Notes:

• Added If This Then That example for the Gmailbox guide

2.7.15

Added example for multi-sensor (I2C) environmental monitor

2.7.14

Release Notes

• Patched toRed, toGreen, toBlue, and toNeoPixel functions to avoid conversion errors and simplify syntax. Thanks @supuflounder!

2.7.13

Map props patch (#55)

* remove string for props in function

* Update mapblock.h to add props string. 

* Update library.properties

Patch Compilation Errors

Fixing compilation errors, commit 4d75091

2.7.11

Patches error in MapBlock.cpp preventing compilation.