- fix root break for devices with shared recovery partition caused by Whil Wheaton update
- advanced backup size monitoring during nandroid operations
- prompt to cancel backup on low free space (% and absolute)
- live display size stats during backup: total data written, free space left
- support backup and restore of /misc partition for both CWM and TWRP operations
- prevent potential segfault when calling is_data_media_volume_path()
- merge cm-10.1 changes:
    * remove adb sideload /tmp/update.zip after flashing to avoid second flash under some circumstances
- fix android_secure could not be backed up under some circumstances (ensure mount of sdcard)
- completely rewritten android_secure support: much simpler code
Touch:
- optimize cancel nandroid job action
- allow cancel yaffs2 nandroid operations
- allow dim screen timeout during yaffs2 nandroid operations