Update GPR_PROJECT_PATH.

Signed-off-by: darkestkhan <darkestkhan@gmail.com>
vim: Update gpr.tpl.

Signed-off-by: darkestkhan <darkestkhan@gmail.com>
Add style checks.

Signed-off-by: darkestkhan <darkestkhan@gmail.com>
Fix some style flags.

P was misspeling of p (it html documentation I couldn't tell if it was P or p).
C is not present in gnat-4.6.

Signed-off-by: darkestkhan <darkestkhan@gmail.com>