Build: Add mkapush to envsetup
Build: Add mkapush to envsetup

  This command builds and pushes the built
  package(s) to your device.

  Usage:
    mkapush $LOCAL_PACKAGE_NAME/$LOCAL_MODULE
    (so, just the same as mka)

  Patch Set 2: Rebased.

  Patch Set 3: added a dash of black magic.
    Removed the deletion portion of the script
    Will add as it's own function.

  Patch Set 4: Fixed stupid derp of it not pushing
    single packages. (It was only working if multiple
    targets were specified.)

  Patch Set 5: le derp

Change-Id: I4ced1d1c7ceef765fe80504841dfb6d90c963cc7
Signed-off-by: KhasMek <8c9382c0c3552741ae3d774a92767b5d0a4010b1@gmail.com>

see4ri/lolili,fallouttester/platform_manifest,RR-msm7x30/platform_manifest,pranav01/platform_manifest,Hybrid-Power/startsync,hagar006/platform_manifest,ND-3500/platform_manifest,knone1/platform_manifest