Revert "Merge branch 'features/lua-sandbox'"

This reverts commit ef625159766da2fc0cd43dd062051a1d8e264f71, reversing
changes made to 5e277c0e782e65f7a64353a1249c8bad0a1cc8a7.
Revert "Add whisper-go dependency."

This reverts commit 650e2481791c5842d573e139f62a55a5d953c280.

Conflicts:

	package_deps.txt
bumped Makefile to use golang +8d71734a0cb0 to include the latest syslog from stdlib
Merge branch 'dev'

Conflicts:
	Makefile
Add LD_LIBRARY_PATH juggling to the activate script.
Add whisper-go dependency.
Use my fork for bug workaround. see: https://github.com/kisielk/whisper-go/pull/2
Add the sandbox build to heka-build process

CMake is required to pull/patch/build Lua and the sandbox shared
library

Conflicts:
	Makefile
add heka-source as sandbox dependency so cmake doesn't barf when the heka
source isn't there.