Initial empty repository
Initial import of ceres-solver 1.4.0

Added a NOTICE and a MODULE_LICENSE_BSD file.
Added Android.mk for master build and unbundled build.
Added CleanSpec.mk to optimize Android build.

Change-Id: I6cd82bcabc1a94b10239f9fca017de0afd20e769
Update ceres to the latest version in google3.

Change-Id: I0165fffa55f60714f23e0096eac89fa68df75a05
Update Ceres to the latest version
Bug: 10673139
Bug: 10621282

Change-Id: Ib740a6e0e29049cc203da9f083b0d4f5734a2741