git submodule corrections
added SuperTab
keep a visual bock selected after an indentation operation. \\ hides the highlight
added signatures to manage and visualize Marks
Unite file name search starts in <search> mode, not <action> mode
added unite-tag and "<space>t" to draws from ctags as a search source
vimrc reorganization
added tagbar
added lightline and removed powerline.
Satisfied with the changes on the 'BBG' branch