ptests config under git

src/jessie/tests/ptests_config

+DEFAULT_SUITES= basic demo
+TOPLEVEL_PATH=/usr/local/bin/frama-c
+FRAMAC_SHARE=/usr/local/share/frama-c
+FRAMAC_PLUGIN=.
+FRAMAC_PLUGIN_GUI=./gui
+FRAMAC_LIB=/usr/local/lib/frama-c
+OCAMLRUNPARAM=