SERVER-15396 added --repair option to mongo shim
SERVER-14835 Fixed alignment check in log file for PPC64

Closes #769

Signed-off-by: Benety Goh <benety@mongodb.com>
SERVER-14835 removed PPC64-specific value for AlignedBuilder::Alignment. reject zero block size from ioctl()
Merge remote-tracking branch 'upstream/master'