Add scrooloose/syntastic and vimwiki/vimwiki.

Add syntastic to provide syntax checking in vim and vimwiki to create a local personal wiki.
Add lotrfan/cope

Add cope scripts to enable colored output for some commands in /usr/share/perl5/vendor_perl/auto/share/dist/Cope:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl.
Requires the 'cope-git' package in Arch Linux and derivatives.