dynamic clipboard setting to deal with Ubuntu clobbering linewise status of yanks

- \p \P mappings to be able to retrieve os clipboard when necessary
consolidated and improved app name detection

- checks: g:vim_app_name, v:servername, $VIMRUNTIME for .app
- renamed all app functions
- cleaned up spurious functions
- some minor rearrangements
add pentadactyl, awesome, tmux, and tasks apps

- also extract host detection into its own function
font adjustments
set guioptions-=T
only use macaction from MacVim
fix Checkin fugitive wrapper
adjust priority of $VIMRUNTIME vs v:servername, ua changes to work
add flake8 and virtualenv
group python settings, add flake8 settings
further adjustments to work config, change g:vim_app_name discovery order back
sort plugin list
Merge ssh://araxia.net/~/git/vimfiles into vimfiles