revert to nexus 5 preview frameworks
I always forget to git add stuff
added tibu, removed crashing apps, tweaked some propritary binaries, tweaked audio hal for crashing bluetooth
Revert "revert to nexus 5 preview frameworks"

This reverts commit 2b4d323938d1294d8ae805800934257c7ac2a034.
Revert "I always forget to git add stuff"

This reverts commit b338393efe8520f13bf6241b9372c881e478a936.
the n6 port to the n4 will be continued...
merge mako n6ed branch