aries-common: support vold-based recovery

Change-Id: I9fc82f8a77a027b10a365aed2411a0cf17d3332d
aries-common: fix installing from stock

- Package path need to be changed from /sdcard to /storage/sdcard0
- Readlink does not work on recovery on Samsung ROM

Change-Id: I28ed95f3ac89ebfc850d5c1be51972cff90d2127
Merge branch 'cm-10.2' into martincz