remove launcher2 and add trebuchet
Update target/product/generic_no_telephony.mk
fix email app not being built.

 Google messed up the name
Update target/product/generic_no_telephony.mk
Update target/product/large_emu_hw.mk
Update target/product/sdk.mk
Update target/product/large_emu_hw.mk
Update target/product/sdk.mk
bump version and build number to reflect 4.2.1
No longer use aosp keyboard in favor of googles with gestures
Stop building calendar and gallery Use google versions
allow exchange to build
SignApk: perform the whole file signature in a single streaming pass.
support for inline kernel building
Merge branch 'jb-4.2' of github.com:Buckmarble/platform_build into jb-4.2