[u104][vim] 1. new command project-create. 2. vim ycm/syntastic integration.

1. new project-create command for vip
2. keep vim syntastic as active mode by default
   (release <f11> key)
3. initial .ycm_extra_conf.py and .ycm_include for linux kernel

(other minor changes)
1. removing ctrl in vimrc
2. <f5> clean mode switch for vi
Merge remote-tracking branch 'origin/u104' into freebsd91p7