/src: commit with -n in release.sh scripts

Makes it possible to commit inside of /src/<package>/release.sh when
core.whitespace is set and an auto-enabled pre-commit hook
(i.e. init.templatedir is set) is used that checks for whitespace problems.

Signed-off-by: Stefan Naewe <stefan.naewe@gmail.com>
update vim to 7.4

Signed-off-by: Stefan Naewe <stefan.naewe@gmail.com>
Install vim74

Signed-off-by: Stefan Naewe <stefan.naewe@gmail.com>
installer: copy files from vim 7.4

Signed-off-by: Stefan Naewe <stefan.naewe@gmail.com>