fix the bug in mdr_I_repair_dpDisk_stripeIndexs(). not all the stripIndex is (1,3,5,7....)
still some bugs in decoding_mdr_I(), maybe in encoding_mdr_I()
fix one bug in decoding_mdr_I()
still some bugs when repairing P disk
fix one bug which affect the repair process when repairing P disk
Merge branch 'feature' into develop