Add support for the POSIX variant of memalign
Merge remote branch 'upstream/master'
Rename pmemalignp to match existing style

Renamed pmemalignp to posix_memalign
Merge pull request #1 from ctuffli/master

Add support for posix_memalign

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>