Added remove from superview and autoreleasepools. Not clear if these help.

Signed-off-by: Phill Apley <pga@enflight.com>
Merge branch 'BranchFromV2.6.2onGithub' of github.com:papley/Reader into BranchFromV2.6.2onGithub

Signed-off-by: Phill Apley <pga@enflight.com>

Conflicts:
	Sources/CGPDFDocument.m