updated you complete me

to make use of the patch to hide completion missmatch messages

https://github.com/Valloric/YouCompleteMe/issues/642
https://groups.google.com/forum/#!topic/vim_dev/WeBBjkXE8H8

https://github.com/sideshowcoder/homebrew/tree/add-ycm-message-silence-patch
some fixes for spelling
make syntastic ignore markdown and other text

syntastic call out to atdtool which in turn makes a web request which
takes a long time, withouth giving good results in a lot of cases so
turn it off for text.

can still be checked explicitly via :SyntasticCheck
compiled spellings