Merge pull request #86 from mashir43/master

autogen: Update to 5.18.4
help2man: Update to 1.46.4
mercurial: Update to 3.1.2
Add lemon parser generator package
Merge pull request #87 from nanodude/master

Add lemon parser generator package
git: Fix configure folder location.
file: Update to 5.20
vim: Update to 7.4.475
filesystem: Some fixes.
bash-completion: Remove files that are part of util-linux package.
util-linux: New package.
lemon: Fix PKGBUILD.
lftp: Update to 4.5.6