vimrc: revisit general settings - set nohidden and relative numbers
vimrc: minor changes - no whichwrap, more matchpairs
vimrc: add Q to format paragraphs and Y to yank rest of line
vimrc: update language specific settigns
vimrc: update abbreviations
vimrc: update omnicompletion settings and move to appropriate section
vimrc: remap Function keys
vimrc: cleanup funcs, add LastUpdated()