Merge pull request #324 from c-blake/master

Add mman.pxd and wait.pxd
add new posix declaration files to posix_pxds test
always split type tuple literals in isinstance() calls to speed up each type test separately
remove redundant label test
avoid generating redundant labels and gotos in boolean and/or expressions
make overly complicated code logic in boolean and/or handling code understandable again
fix a reference leak for non-simple conditions in boolean and/or expressions
Merge /home/cb/pkg/cy/cython

Conflicts:
	CHANGES.rst