ASM Demo code

Pattern flasher working
ASM Demo code bugfix

small errors corrected, readme added
Merge pull request #4 from thomasjmathew/master

ASM Demo code
modifications to ASM pattern-flasher to allow it to link without a linker script. Linker script removed.
removing simple-asm project from root projects directory. Will move to ./asm/ directory
simplest ASM code written which will be used for introductory lab
bugfix: uncommenting value to write to AHBENR. Note: the code works with this line commented out because the default value of a CPU register is 0xFFFFFFFF.
simple_asm: wrote header and removed space after = to be in line with http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0489i/Babbfdih.html
Merge branch 'master' into porting_to_rev2