Added an optimization for inplace gpu_cusolver_solve and tests

Add on_error option for Cholesky

Fix more issues in DebugMode

Fix tests in debugmode

Fixed minor spelling error

Corrected some comments and code formatting

[Interface change] be more consistent, use ndim instead of outdim

Remove goto in OpenMP Elemwise fail code

avoid creating float64 variables

The regular python2 and python2_debug buildbots used the same cache directory.

Stop the compilation when we found a negative shape.

Prevent gpu initialization when not required

Fix hard crash when dividing by 0

fix opt warning in the ifelse lifter

[Interface change] tensor.flatten() deprecate outdim and rename it to ndim to be more consistent with the rest of Theano include var.flatten() that use ndim.

Reported in: [theano-users] Error occurred while refactoring code