add lua-nginx module
remove test comments
fix make install
install luajit in /usr
remove specific installation location
install lua into BUILD_DIR
set LD_LIBRARY_PATH prior to running nginx
use DESTDIR instead of PREFIX
add PREFIX
add log tailing
fix log path
uncomment some build process
Merge pull request #2 from aripringle/master

add LUA support and tail nginx logs so they show in heroku