Added ArchLinux package info, thanks Niels.

Linked Fedora packaging instructions to homepage.

Added Raspbian to distro's with arduino-mk apt packages.

HISTORY.md

@@ -17,6 +17,7 @@ I tried to give credit whenever possible. If I have missed anyone, kindly add it
 - Tweak: Allow remove of any OBJDIR with `$(REMOVE) $(OBJDIR)`. (https://github.com/ladislas)
 - Tweak: Add cpp to extensions supported by "make generate_assembly". (https://github.com/sej7278)
 - Tweak: Update travis-ci to test against Arduino 1.0.6. (https://github.com/sej7278)
+- Tweak: Updated package instructions for Arch/Fedora/Raspbian. (https://github.com/sej7278)
 
 - Fix: Change "tinyladi" username to "ladislas" in HISTORY.md. (https://github.com/ladislas)
 - Fix: Make avr-g++ use CXXFLAGS instead of CFLAGS. (https://github.com/sej7278)

README.md

@@ -20,9 +20,15 @@ in the build process. Changes in `*.h` files lead to recompilation of sources wh
 
 ### Through package
 
-If you're using FreeBSD, Debian or Ubuntu, you can find this in the `arduino-mk`
+If you're using FreeBSD, Debian, Raspbian or Ubuntu, you can find this in the `arduino-mk`
 package which can be installed using `apt-get` or `aptitude`.
 
+Arch Linux users can use the unofficial AUR package [arduino-mk](https://aur.archlinux.org/packages/arduino-mk/)
+and install using `yaourt -S arduino-mk`
+
+Fedora Linux users can use our packaging instructions [here](https://github.com/sudar/Arduino-Makefile/tree/master/packaging/fedora)
+to build an RPM.
+
 ### From source
 
 - Download the latest release