am a8245d1d: Merge "ggrep" into klp-ub-dev

- mma:     Builds all of the modules in the current directory, and their dependencies.

- mmma:    Builds all of the modules in the supplied directories, and their dependencies.

- cgrep:   Greps on all local C/C++ files.

- ggrep:   Greps on all local Gradle files.

- jgrep:   Greps on all local Java files.

- resgrep: Greps on all local res/*.xml files.

- godir:   Go to the directory containing a file.

    get_build_var TARGET_ARCH

}

function ggrep()

{

    find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -type f -name "*\.gradle" -print0 | xargs -0 grep --color -n "$@"

}

function jgrep()

{

    find . -name .repo -prune -o -name .git -prune -o -name out -prune -o -type f -name "*\.java" -print0 | xargs -0 grep --color -n "$@"