bootzip: fix up issues with bootzip creator

Allow for modules to be a symlink (as seen with qcom wlan)
If the kernel version is blank, call it PA-*

Change-Id: Id85618437904cb6e2bcb8013f4c50577044ce344
Signed-off-by: houst0nn <houstonn@gmail.com>
build: Update supported languages

* Remove Uyghur, which has no active maintainer in the past 6 months
* Add Kurdish

Change-Id: Ic79ca973727885a2498c59730ebec4faee821369
ota_from_target_files: remove duplicate setting of recovery_img

This variable is already set earlier in the script and does not need
to be wrapped inside of the if statement

Change-Id: I91b7f7d2fc911a3910b3df09cff0ca0f44fe7741
releasetools: Fix error text in ota_from_target_files

property isn't the variable name, prop is

Change-Id: I0fc6adddfd51ba9bc79f6559c61cd831203c9e3d
img_from_target_files: Create md5 hashes for each file

Generate an md5sum-fastboot.md5 file that contains an md5 hash of each
file in the fastboot zip and store the file in the zip.

Change-Id: I19c2ac5a84fb21e965953d1dad0ebcbfd0b78d47
build: Add chromium prebuilt support to envsetup.sh && The core Makefile

This adds a chromium_prebuilt function to envsetup.sh that is invoked by lunch to check
whether the chromium prebuilts are up-to-date or not. If not, it will be built from source
and then the new source built version will be pulled during brunch/mka bacon to become the
new prebuilts for future builds.

This is all opt-in through the USE_PREBUILT_CHROMIUM flag. Without it being set to 1,
none of this would be ran, and regular operations will go on.

PS13:
-use export TARGET_DEVICE
-replace git -C with params compatible to old git versions

(vendor repository for script)

Change-Id: I40f8c8dbd2a8a84a5c1b9f47ee04180a71ef4e07
Merge remote-tracking branch 'PA/kitkat' into kitkat-legacy-staging

Conflicts:
	tools/releasetools/boot_flash_from_image