Merge pull request #246 from relic-se/ttp229

Added TTP229 driver library

Author: tannewt

.gitmodules

@@ -471,4 +471,7 @@
 	url = https://github.com/relic-se/CircuitPython_KeyManager.git
 [submodule "libraries/helpers/synthvoice"]
 	path = libraries/helpers/synthvoice
-	url = https://github.com/relic-se/CircuitPython_SynthVoice.git
+	url = https://github.com/relic-se/CircuitPython_SynthVoice.git
+[submodule "libraries/drivers/ttp229"]
+	path = libraries/drivers/ttp229
+	url = https://github.com/relic-se/CircuitPython_TTP229.git

circuitpython_community_library_list.md

@@ -50,6 +50,7 @@ Here is a listing of current CircuitPython Community Libraries. These libraries
 * [CircuitPython TCA9555](https://github.com/lesamouraipourpre/Community_CircuitPython_TCA9555) CircuitPython library for Texas Instruments TCA9555 Low-Voltage 16-Bit I2C and SMBus I/O Expander with Input / Output and Polarity Inversion. \([PyPI](https://pypi.org/project/community-circuitpython-tca9555/)) \([Docs](http://community-circuitpython-tca9555.rtfd.io/))
 * [CircuitPython TMP75](https://github.com/barbudor/CircuitPython_TMP75.git) CircuitPython driver library for Texas Instruments' TMP75 I2C temperature sensor \([Docs](https://circuitpython-tmp75.readthedocs.io/en/latest/))
 * [CircuitPython TicStepper](https://github.com/tekktrik/CircuitPython_TicStepper.git) Driver for the TIC stepper motor drivers \([Docs](https://circuitpython-ticstepper.readthedocs.io/en/latest/))
+* [CircuitPython TTP229](https://github.com/relic-se/CircuitPython_TTP229.git) CircuitPython driver library for the TonTouch TTP229 16-key capacitive touch detector \([Docs](https://circuitpython-ttp229.readthedocs.io/en/latest/))
 * [CircuitPython WiiChuck](https://github.com/jfurcean/CircuitPython_WiiChuck.git) CircuitPython driver for Nintendo WiiMote I2C Accessory Devices([PyPi](https://pypi.org/project/circuitpython-wiichuck)) \([Docs](https://circuitpython-wiichuck.readthedocs.io/))
 * [CircuitPython bteve](https://github.com/jamesbowman/CircuitPython_bteve.git) CircuitPython_bteve
 * [CircuitPython NeoTrellisM4 extended (with Neotrellis seesaw boards)](https://github.com/arofarn/CircuitPython_TrellisM4_extended) Use Adafruit TrellisM4 Express board as 2 Neotrellis board. \([Docs](https://circuitpython-trellism4-extended.readthedocs.io/en/latest/))