if we don't delete anything.

Remove the restriction that we need to create the compiledir to have the source code by removing the compile_cmodule_by_step interface.

Also, once we acquire the lock do a refresh of the cache and try to
pick up modules compiled by others.

Add DictMixin/OrderedDict to theano.compat in PY3.

Reordered for ease of reading (same order in if/else).

Fix test, compile less, doc, add tests.

Improve compile time on slow filesystems

Scan opt to push out Dot products outside of Scan's inner graph

CRASH/OPT fix (quick to review)

Removed comparisons with None

Fix broadcast pattern of dnn conv op.

Revert change that break too many test in floatX=float32