test-slave-instance-deployment: Replace hardcoded develop egg by local development trick.
specify patch files directly in parts using slapos.recipe.cmmi.
cleanup [versions].
add a missing rpath to self in nettle.
version up : gnutls-3.2.16.
version up : git 2.1.0.
version up : bash 4.3.

also build with our own ncurses instead of system termcap library.