Update .gitignore
Update .gitignore

The file "sources_non_forked/ctrlp.vim/doc/tags-cn" keeps getting created for me and should be ignored.
killuazhu/vimrc,daniilguit/vimrc,nahwar/my-vim-config,khatchad/vimrc,davespanton/vimrc,sonictk/vimrc,ChrisOHu/vimrc,derwentx/vimrc,NcLang/vimrc,hyliker/vimrc,alexjab/vimrc,stevenswong/vimrc,lavender-flowerdew/vimrc,reAsOn2010/vimrc,khatchad/vimrc,ChrisOHu/vimrc-1,timothyjamesjensen/vimrc,timothyjamesjensen/vimrc,ChrisOHu/vimrc,nalajcie/vimrc,amix/vimrc,ChrisOHu/vimrc-1,davespanton/vimrc,alexjab/vimrc,dezull/vimrc,saullocastro/vimrc,sonictk/vimrc,spino327/vimrcsp,derwentx/vimrc,nalajcie/vimrc,liangxiaoju/vimrc,xelliott/vimrc,phylroy/vimrc,mishadev/vimrc,khatchad/vimrc,nahwar/my-vim-config,ballercat/vim-settings,daniilguit/vimrc,sonictk/vimrc,UX-Anakin/VIMRC,liangxiaoju/vimrc,hyliker/vimrc,daniilguit/vimrc,NcLang/vimrc,spino327/vimrcsp,amix/vimrc,khatchad/vimrc,jcestlavie/vimrc,dpendolino/vimrc,timothyjamesjensen/vimrc,stevenswong/vimrc,vladimiraerov/vimrc,jimjing/vimrc,davespanton/vimrc,ballercat/vim-settings,xuev/vimrc,lavender-flowerdew/vimrc,nalajcie/vimrc,mishadev/vimrc,ballercat/vim-settings,UX-Anakin/VIMRC,abnerf/vimrc,markguo/myvimconf,xuev/vimrc,nalajcie/vimrc,alexjab/vimrc,mishadev/vimrc,qhadron/vim_config,lavender-flowerdew/vimrc,khatchad/vimrc,IanZhao/.vim,ivan19871002/vimrc,markguo/myvimconf,freohr/vimrc,wming126/vimrc_github,lavender-flowerdew/vimrc,NcLang/vimrc,ChrisOHu/vimrc,abnerf/vimrc,timothyjamesjensen/vimrc,abnerf/vimrc,stevenswong/vimrc,phylroy/vimrc,khatchad/vimrc,jcftang/vimrc,saullocastro/vimrc,alexnguyen91/vimrc,freohr/vimrc,vladimiraerov/vimrc,khatchad/vimrc,ekcode/vimrc,xelliott/vimrc,off99555/vimrc,DocHoncho/vimrc,xelliott/vimrc,DocHoncho/vimrc,tkshredz23/vimrc,abnerf/vimrc,timothyjamesjensen/vimrc,stevenswong/vimrc,markguo/myvimconf,khatchad/vimrc,daniilguit/vimrc,dpendolino/vimrc,iwifigame/vimrc,khatchad/vimrc,NcLang/vimrc,derwentx/vimrc,alexnguyen91/vimrc,ballercat/vim-settings,xuev/vimrc,jimjing/vimrc,spino327/vimrcsp,qhadron/vim_config,nahwar/my-vim-config,anymuse/vimrc,vladimiraerov/vimrc,jimjing/vimrc,alexjab/vimrc,reAsOn2010/vimrc,reAsOn2010/vimrc,davespanton/vimrc,off99555/vimrc,reAsOn2010/vimrc,wming126/vimrc_github,jcestlavie/vimrc,vladimiraerov/vimrc,sonictk/vimrc,saullocastro/vimrc,vladimiraerov/vimrc,ChrisOHu/vimrc,NcLang/vimrc,nahwar/my-vim-config,xuev/vimrc,qhadron/vim_config,ChrisOHu/vimrc-1,off99555/vimrc,jcftang/vimrc,wming126/vimrc_github,nahwar/my-vim-config,anymuse/vimrc,jcftang/vimrc,tkshredz23/vimrc,phylroy/vimrc,ChrisOHu/vimrc-1,jcestlavie/vimrc,dezull/vimrc,mishadev/vimrc,liangxiaoju/vimrc,amix/vimrc,dezull/vimrc,killuazhu/vimrc,alexnguyen91/vimrc,daniilguit/vimrc,jimjing/vimrc,nahwar/my-vim-config,trevorijones/vimrc,wming126/vimrc_github,jladuval/vimrc,alexnguyen91/vimrc,tkshredz23/vimrc,jcestlavie/vimrc,nalajcie/vimrc,abnerf/vimrc,wming126/vimrc_github,dezull/vimrc,saullocastro/vimrc,hyliker/vimrc,khatchad/vimrc,daniilguit/vimrc,NcLang/vimrc,egeniesse/vimrc,liangxiaoju/vimrc,khatchad/vimrc,dpendolino/vimrc,phylroy/vimrc,dpendolino/vimrc,killuazhu/vimrc,iwifigame/vimrc,trevorijones/vimrc,timothyjamesjensen/vimrc,off99555/vimrc,sabaka/vimrc,fno2010/vimrc,khatchad/vimrc,markguo/myvimconf,wming126/vimrc_github,ekcode/vimrc,ChrisOHu/vimrc,NcLang/vimrc,anymuse/vimrc,alexjab/vimrc,dpendolino/vimrc,jimjing/vimrc,xelliott/vimrc,spino327/vimrcsp,mishadev/vimrc,DocHoncho/vimrc,ivan19871002/vimrc,khatchad/vimrc,sonictk/vimrc,spino327/vimrcsp,phylroy/vimrc,IanZhao/.vim,jcftang/vimrc,UX-Anakin/VIMRC,alexjab/vimrc,jcestlavie/vimrc,hyliker/vimrc,hyliker/vimrc,ChrisOHu/vimrc,ballercat/vim-settings,vladimiraerov/vimrc,anymuse/vimrc,dpendolino/vimrc,ivan19871002/vimrc,UX-Anakin/VIMRC,mishadev/vimrc,phylroy/vimrc,qhadron/vim_config,sonictk/vimrc,tkshredz23/vimrc,phylroy/vimrc,ChrisOHu/vimrc-1,wming126/vimrc_github,stevenswong/vimrc,reAsOn2010/vimrc,killuazhu/vimrc,orland0m/vimrc,UX-Anakin/VIMRC,ChrisOHu/vimrc,amix/vimrc,khatchad/vimrc,krruzic/vimrc,ekcode/vimrc,tkshredz23/vimrc,lavender-flowerdew/vimrc,ChrisOHu/vimrc-1,jcestlavie/vimrc,saullocastro/vimrc,spino327/vimrcsp,lavender-flowerdew/vimrc,ekcode/vimrc,dezull/vimrc,abnerf/vimrc,killuazhu/vimrc,anymuse/vimrc,saullocastro/vimrc,dezull/vimrc,markguo/myvimconf,xuev/vimrc,jladuval/vimrc,DocHoncho/vimrc,jcftang/vimrc,davespanton/vimrc,markguo/myvimconf,anymuse/vimrc,DocHoncho/vimrc,killuazhu/vimrc,UX-Anakin/VIMRC,qhadron/vim_config,khatchad/vimrc,ivan19871002/vimrc,xelliott/vimrc,jladuval/vimrc,off99555/vimrc,hyliker/vimrc,stevenswong/vimrc