Zentyal/zentyal — pull request #472 by sixstone-qq (2013-07-18 09:13:19+00:00)
Title: Check backup integrity

+ Check backup integrity by listing the tar file, throw InvalidData exception if the tar is corrupted
+ Retry making the configuration backup if the conf backup process produced a corrupted backup
+ Send the checksum of the conf backup when pushing to check its integrity on server side