Add some documentation regarding overloading system libs and reporting bugs

HISTORY.md

@@ -9,6 +9,8 @@ I tried to give credit whenever possible. If I have missed anyone, kindly add it
 - Fix: Change "tinyladi" username to "ladislas" in HISTORY.md. (https://github.com/ladislas)
 - Add: Add information about `Bare-Arduino–Project` in README. (https://github.com/ladislas)
 - Fix: Make avr-g++ use CXXFLAGS instead of CFLAGS. (https://github.com/sej7278)
+- Add: Add information about overriding system libs (Issue #229). (https://github.com/sej7278)
+- Add: Add information about reporting bugs to the correct project (Issue #231). (https://github.com/sej7278)
 
 ### 1.3.4 (2014-07-12)
 - Tweak: Allow spaces in "Serial.begin (....)". (Issue #190) (https://github.com/pdav)

README.md

@@ -220,6 +220,8 @@ Similar to HTML frameworks, [Bare-Arduino–Project](https://github.com/WeAreLek
 
 Further information are available in the [README.md](https://github.com/WeAreLeka/Bare-Arduino-Project/blob/master/README.md) as well as in the [use/installation procedure](https://github.com/WeAreLeka/Bare-Arduino-Project/blob/master/INSTALL.md).
 
+Please be sure to report issues to [Bare-Arduino–Project](https://github.com/WeAreLeka/Bare-Arduino-Project/issues) if you use it instead of this project.
+
 ## Credits
 
 This makefile was originally created by [Martin Oldfield](http://mjo.tc/atelier/2009/02/arduino-cli.html) and he maintained it till v0.10.2.

arduino-mk-vars.md

@@ -307,6 +307,8 @@ Directory where additional libraries are stored.
 
 Defaults to `libraries` directory within user's sketchbook.
 
+Note that you cannot have user libraries with the same name as the system Arduino libs.
+
 **Example:**
 
 ```Makefile