Merge branch 'dev'
Updated syllabus
Added C++ Complex Number example
Added files for lab 4.
Fixed minor error in lab 4's poly.cpp.
Added solver code. Just missing actual solvers.
Added comments to C++ files
Added linear equation system generator
Added Python implementations of the Jacobi method
Merge branch 'itersolver'
Take random seed into account in lineq generator
Added Makefile for C++ implementation
Add performance testing script
Add script to generate graph of running times
Added some documentation
Merge branch 'dev'

Conflicts:
	syllabus/CMSC12300_SPR13_Syllabus.tex
Added simple concurrency examples
Added versions of async.cpp in other languages
Merge branch 'master' into dev
Added thread-safe counter examples