Merge pull request #240 from cimm/fix-thethingsmessage-doc-urls

Fix TheThingsMessage documentation links

Author: johanstokking

CONTRIBUTING.md

@@ -3,7 +3,7 @@
 We'd ❤️ to welcome your contribution. Please make sure your changes include:
 
 1.  Examples: [examples](examples)
-2.  Syntax highlighting: [keywords.txt](../keywords.txt)
+2.  Syntax highlighting: [keywords.txt](keywords.txt)
 3.  Documentation: [docs](docs)
 4.  Tests: [test](test)
 5.  Verification of the examples and tests: [.travis.yml](.travis.yml)

docs/TheThingsNetwork.md

@@ -115,7 +115,7 @@ Returns `true` or `false` depending on whether the activation was successful.
 
 Call the method with no arguments if the device's LoRa module comes with pre-flashed values.
 
-See the [ABP](https://github.com/TheThingsNetwork/arduino-device-lib/blob/master/examples/ABP/ABP.ino) example.
+See the [SendABP](https://github.com/TheThingsNetwork/arduino-device-lib/blob/master/examples/SendABP/SendABP.ino) example.
 
 ## Method: `sendBytes`
 
@@ -138,7 +138,7 @@ Returns a success or error code and logs the related error message:
 * `TTN_SUCCESSFUL_RECEIVE`: Successful transmission. Received \<N> bytes
 * `TTN_ERROR_UNEXPECTED_RESPONSE`: Unexpected response: \<Response>
 
-See the [Send](https://github.com/TheThingsNetwork/arduino-device-lib/blob/master/examples/Send/Send.ino) example.
+See the [SendOTAA](https://github.com/TheThingsNetwork/arduino-device-lib/blob/master/examples/SendOTAA/SendOTAA.ino) example.
 
 ## Method: `poll`
 
@@ -217,4 +217,3 @@ Returns the voltage in millivolt (mV) measured by the RN2xxx LoRa module. It's f
 ```c
 uint16_t getVDD();
 ```
-