Fixed compile errors

update gitignore

Removed unsused code

Fixed wrong port pin

Fixed gain for ADC connected to VDD

OSX project settings

Dev (#23)

* Add pin sense & drive strength to gpio pin configuration
Combine to single iopinctrl for nRF5x serie (including nRF52840 with multiport gpio)

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* Fixes compile errors LPC17xx
Updated iopinctrl for LPC17xx

* Add restart condition for compatibility with LPC MCU

* Fixes LPC17xx I2C interface

Merge pull request #21 from I-SYST/dev

Dev

Merge pull request #12 from I-SYST/dev

Dev

Merge pull request #11 from I-SYST/dev

Dev