Fixes murmurhash for old webkit.
Fixes masked JPEG image
Prevent infinite loop when scanning for endstream (bug 1020226)
add object id to streams to prevent infinite loops.

fixes http://bugzil.la/1020858
Merge pull request #4902 from Snuffleupagus/bug-1020226

Prevent infinite loop when scanning for endstream (bug 1020226)
Merge pull request #4907 from CodingFabian/fix-4906

add object id to streams to prevent infinite loops.
Merge pull request #4892 from yurydelendik/issue4890

Fixes masked JPEG image
Merge pull request #4867 from yurydelendik/nonalign32

Fixes murmurhash for old webkit.