Patch 1: Check in everything.

Note: do not checkin m4/lt~obsolete.m4, it will be rejected by git.
Change-Id: I60046407ded271c1bbcd6a19ea13b3bdcccd361c
(cherry picked from commit 48a620ddc3aa3fc1d4b0b3a7e2b45ec4ea6bdd69)
(cherry picked from commit 7ee531da1965f752087adaf999fd9b5ffb52abeb)