Conflicts:
	theano/compile/function.py
	theano/compile/pfunc.py
	theano/gof/fg.py
	theano/gof/type.py

Fix gpu strides crash

This commit starts a series of changes to eliminate relative and redundant imports.

- do not import theano.tests unless theano.test() function is called.
- reuse  TheanoConfigParser instance from configdefaults.

Allow to import theano.sandbox.cuda.basic_op on computer without GPU.

This is needed to allow generating the autodoc of this file.

Fix some documentation syntax problem that make the cron that build the ...

Should allow the documentation to be updated automatically again.

Issue #783: python3 compatible - remove unnecessary imports.

A few improvements to function()

This commit is the first step of the plan to make Theano imports compatible with 3.x:

1. Remove unnecessary imports.

2. Convert relative imports to absolute.

3. Fix circular dependency issues by either eliminating "from xyz" imports or moving them inside functions.

Changes to make Theano work on Windows with Anaconda

Infer shape broadcast fix