releasetools: Remove recovery build remnants

This breaks "classic" (not blockmode) OTA ZIP generation

Generating recovery patches was originally removed in 84a770ad

5.0 added some additional related stuff - remove those remnants.

Change-Id: Idfb5540bd0c77b0cf69ac4290753fffc0c17f733
roomservice: Change default rev to 5.0

Change-Id: I24722df0f1bcac88619677707eb5b3240d4bd6e6
Merge tag 'android-5.0.0_r5' into HEAD

Android 5.0.0 release 5
Makefile: Remove unpackbootimg

Change-Id: I1b215e8d032225c513e341095b6fea689314c91a
edify: Remove backuptools for now

Change-Id: Ibf28dcc20c8dd5f0e8b6e175588ac3094a7d9aee
Merge tag 'android-5.0.0_r6' into HEAD

Android 5.0.0 release 6
build: Don't create recovery patch

Change-Id: I00a9ca268ed3f326a0fa5a913bc112ec8b290550
Revert "edify: Remove backuptools for now"

Somehow this got merged despite an abandon in gerrit???

This reverts commit 8d3f613f9800628fead7e61a58fcfce2d5008464.

Change-Id: Ie0bd12ee21f92caa2c021571b3200ee09c64c173
edify: update the RunBackup function

set_perm was removed a few days ago, use the built in function for setting permissions
TMPFS does not have xattr set, which is across most devices. dump the scripts into system so set_metadata will work

Change-Id: I9ee00f15fa0be1eef31c5435b9d94845fd3aa630
Merge branch 'android-5.0' of https://github.com/omnirom/android_build into hazypop

Conflicts:
	tools/roomservice.py