--HG--
extra : transplant_source : %C6f%B9L%06%0A%97m%15K%F7%CCN%90%B0%A5%90%04%96%A9

--HG--
extra : transplant_source : %FF%0B%A3%9D%21%85%A9%1A%8B%D1V%AD%CF%DD%3Em%92%DE_%8F

--HG--
extra : transplant_source : %5ET%93%08%03d%EFC%C5X%D7%03%28%C4%EF%1DO%CC%1A%7C

--HG--
extra : transplant_source : u%8C%DA%B6W%85%BC%FDA%A0%9C8%B6%16%86B%12%B6%1C/

Ignore any unused entry that starts with '_'.

In addition to '_', also ignore any unused variables whose name start
with 'unused', as recommended by http://google-styleguide.googlecode.com/svn/trunk/pyguide.html?showone=Lint#Lint

Add mman.pxd and wait.pxd

--HG--
extra : transplant_source : 7%EC%04%1F%89%F6%AA%8C%7Fl%B5D%DA%D5%CAF%B7%A70%0D

expand doc section on cython -a output

* explain new "+" signs in front of lines
* explain different shades of yellow
* relation to nogil blocks

Fix caching issues of cython magic.

Should fix https://github.com/ipython/ipython/issues/6507 when using cython magic. 
We will deprecate cython magic in IPython itself.