Bump version: 0.14.1 --> 0.14.2 (tensorflow#1437)

Bump version: 0.13.6 --> 0.13.7 (tensorflow#1338)

bump version to v0.13.16 (tensorflow#1315)

DEV 0.13.15 --> 0.13.16

Bump version: 0.13.4 --> 0.13.5 (tensorflow#1311)

v0.13.4 (tensorflow#1306)

increase the version to 0.13.3 (tensorflow#1297)

bump version to 0.13.2 (tensorflow#1287)

bump version to 0.13.1 (tensorflow#1285)

v0.13.0 (tensorflow#1276)

v0.13.0 (tensorflow#1276)