Also includes features merged from:
Update twrpTar by kokotas
Revised function entryExists().
Added function to get archive's uncompressed size.
Added option to exclude item(s) from the archive.
Revised forks()
http://review.teamw.in/#/c/590/
Change-Id: I01fa2c81643161984eff2625247af75990684bd9
Add partition list GUI element and update backup, restore, mount,
storage selection, and wipe sections of GUI and partition manager
code to reflect the new GUI element. Update ORS engine to handle
new backup and restore setup.
Fix a bug with decrypt.
Add 1080x1920 layout.
Change-Id: Iaa2f44cb707167e66f935452f076ba00e68a2aa4