Update the c_code_cache_version that was forgotten.
Merge pull request #1765 from nouiz/version

Update the c_code_cache_version that was forgotten.
Add tile in the doc.
Merge pull request #1766 from nouiz/doc

Add tile in the doc.
[BUG]Readd the destroyhandler as a requirement for some opt.

This fix bugs on the CPU in fast_compile introduced in:
commit 4f8f0da5f3a046ad3e89433fd061dd494c312b74
Date:   Thu Feb 27 09:56:12 2014 -0500
pep8
[crash fix] fix crash in fast compile introduced recently.
Merge pull request #1770 from nouiz/fast_compile

Bug and crash fix in fast_compile
changed name subgrad -> hypograd
Merge branch 'master' of https://github.com/Theano/Theano