[UPDATE][VIM] Cosmetic changes

Added section titles and made all assignments the same style.

vim/.vimrc

@@ -6,7 +6,8 @@
 " Don't try to be compatible with Vi
 set nocompatible
 " Use UTF-8
-set encoding=utf-8 fileencodings=utf-8
+set encoding=utf-8
+set fileencodings=utf-8
 
 " Use space by default
 set expandtab
@@ -153,11 +154,15 @@ set smartcase
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " Plugin parameters
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" BetterWhitespace settings
+"""""""""""""""""""""""""""
 " Enable trailing whitespace high-lighting
 let g:better_whitespace_enabled=1
 " Strip trailing whitespace on file-save
 let g:strip_whitespace_on_save=1
 
+" GutenTags settings
+""""""""""""""""""""
 " Enable gutentags
 let g:gutentags_enabled=1
 " enable gtags module
@@ -169,6 +174,8 @@ let g:gutentags_cache_dir = expand('~/.cache/tags')
 " forbid gutentags adding gtags databases
 let g:gutentags_auto_add_gtags_cscope=0
 
+" Theme settings
+""""""""""""""""
 " Use a slightly darker background color to differentiate with the status line
 let g:jellybeans_background_color_256='232'
 " colorscheme jellybeans
@@ -181,6 +188,8 @@ let g:gruvbox_contrast_dark = '(hard)'
 let g:gruvbox_italic=1
 colorscheme gruvbox
 
+" UltiSnips settings
+""""""""""""""""""""
 " Insert mode trigger for expansion
 let g:UltiSnipsExpandTrigger="<Tab>"
 " Jump forward and backwards in place-holder list with Ctrl-f and Ctrl-b