Additional sigmoid from Apurva, non-square costFunction
Merge branch 'master' of github.com:cod3monk3y/coursera-ml005-unittests
Merge remote-tracking branch 'upstream/master'
added: ex1 unit tests from https://class.coursera.org/ml-005/forum/thread?thread_id=334#post-5327
added: another computeCost test
Merge pull request #2 from vasnake/ex1

Ex1
added: costFunction tests from https://class.coursera.org/ml-005/forum/thread?thread_id=943
added: predict tests from https://class.coursera.org/ml-005/forum/thread?thread_id=943
fixed: costFunction tests location
fixed: print X while testing
Merge pull request #3 from vasnake/ex2

Ex2 update from vasnake
EX3 one-vs-all
Added test_predictOneVsAll
Added incomplete (!) boilerplate code for writing all Exercise 3 test cases.  Correct data needs to be added.
Merge remote-tracking branch 'upstream/master'

Merged from upstream.

Resolved Conflicts:
	ex3/test_ex3.m
	ex3/test_oneVsAll.m
	ex3/test_predictOneVsAll.m