Added the sparse baseline.
Fixed a bug in the normalized error
Fixed a couple of bugs.
Added a synthetic test case
Line Search for Robustness of Frank-Wolfe's Algo

1) Line Search for Robustness of Frank-Wolfe's Algo
2) Synthetic dataset for Extreme value model.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	driverSimple.m
Improved Group Lasso
Added evaluation for group Lasso