core: main: remove all the spam about including make files

Change-Id: Ifd2ef0e239d16b169c572472416c2c31df62a367
envsetup: do not print an error if complete fails

complete is a bashism; so it will fail on other shells. Avoid printing
an error if that is the case.

Change-Id: Id6d6311792f409cc3a697c7a2bb003863f1afe60
envsetup: drop unnecesary exports

export -f is a bashism and we don't actually need it, so lets remove it.

Change-Id: I9228cef0c4a9543b3d34fdc39a368ad0238431e2
envsetup: Mark zsh as compatible

Basic functionality has been tested on zsh 5.0.2 and has been found to
work correctly.

Change-Id: I02e5e3bedf56b43104c280d9737ae7b334357643
Support building with GNU make 4.0

* It works just fine, no need for the warning.

Change-Id: Ifa2ab17454edfcd8b7840a7534f70576286f2864
I feel the need, the need for speed
(switch to 4.8 GCC and add cflags for more optimization)

Change-Id: I678e374cfcf553e5bd84577925e74e2aaf68cf05
we want my repo, not cyanogenmod

Change-Id: I179048ce9a4843d26b85a1e90f93df6b15d711f2
fix derp

Change-Id: I446b4cf43a3d08ef48a7f6ec0a5b73f9d23ae862