add Python 2.7 series

* Python-2.7.tgz (35f56b092ecf39a6bd59d64f142aae0f)
* Python-2.7.1.tgz (15ed56733655e3fab785e49a7278d2fb)
* Python-2.7.2.tgz (0ddfe265f1b3d0a8c2459f5bf66894c7)
* Python-2.7.3.tgz (2cf641732ac23b18d139be077bd906cd)
* Python-2.7.4.tgz (592603cfaf4490a980e93ecb92bde44a)
* Python-2.7.5.tgz (b4f01a1d0ba0b46b05c73b2ac909b1df)