Added several plugins and settings

Added undotree to replace vim-mundo.  There are too many bugs. They
might just be in neovim, I'm not sure
Added semantic highlighting, but it sucks
Added enhanced cpp highlighting
Added Startify.
Added papercolor theme, but it kinda sucks too.

vimrc

@@ -68,15 +68,24 @@ Plug 'wreed4/vim-lvimrc'
 " Gives a graphical view of vim's undo tree (replaced by neovim-compatible
 " fork)
 "Plugin 'sjl/gundo.vim'
-Plug 'simnalamburt/vim-mundo'
+" Plug 'simnalamburt/vim-mundo'
+Plug 'mbbill/undotree'
 " New colorscheme
 Plug 'morhetz/gruvbox'
+" New colorscheme
+Plug 'NLKNguyen/papercolor-theme'
 " Git integration
 Plug 'tpope/vim-fugitive'
 " Matching things in insert mode
 Plug 'Raimondi/delimitMate'
 " Easy alignment
 Plug 'junegunn/vim-easy-align'
+" Semantic highlighting
+Plug 'jaxbot/semantic-highlight.vim'
+" Additional highlighting for cpp
+Plug 'octol/vim-cpp-enhanced-highlight'
+" Fancy start screen
+Plug 'mhinz/vim-startify'
 
 
 
@@ -263,14 +272,55 @@ let g:DirDiffExcludes = ".*.*.swp,*.d"
 
 
 " ##### Gundo #####
-nnoremap <leader>u :GundoToggle<CR>
-let g:gundo_playback_delay = 300
-let g:gundo_preview_bottom = 1
+" nnoremap <leader>u :GundoToggle<CR>
+" let g:gundo_playback_delay = 300
+" let g:gundo_preview_bottom = 1
+
+" ##### UndoTree #####
+nnoremap <leader>u :UndotreeToggle<CR>
+let g:undotree_WindowLayout = 2
+let g:undotree_SetFocusWhenToggle = 1
 
 
 " ##### EasyAlign #####
 vmap <Enter> <Plug>(LiveEasyAlign)
 
+
+" ##### Semantic-Highlight.vim #####
+let g:semanticBlacklistOverride = {
+    \'cpp': [
+    \   'auto', 'const', 'double', 'float', 'int', 'short',
+    \   'struct', 'unsigned', 'break', 'continue', 'else', 'for',
+    \   'long', 'signed', 'switch', 'void', 'case', 'default',
+    \    'enum', 'goto', 'register', 'sizeof', 'typedef', 'volatile',
+    \   'char', 'do', 'extern', 'if', 'return', 'static',
+    \   'union', 'while', 'asm', 'dynamic_cast', 'namespace', 'reinterpret_cast',
+    \   'try', 'bool', 'explicit', 'new', 'static_cast', 'typeid',
+    \    'catch', 'false', 'operator', 'template', 'typename', 'class',
+    \   'friend', 'private', 'this', 'using', 'const_cast', 'inline',
+    \   'public', 'throw', 'virtual', 'delete', 'mutable', 'protected',
+    \   'true', 'wchar_t', 'assert'
+    \ ]
+\ }
+
+" ##### vim-cpp-enhanced-highlight #####
+let g:cpp_class_scope_highlight=1
+let g:cpp_experimental_template_highlight = 1
+
+" ##### Startify #####
+let g:startify_list_order = [
+        \ ['    MRU files in current directory'], 'dir',
+        \ ['    MRU files'], 'files', 
+        \ ['    Sessions'], 'sessions', 
+        \ ['    Bookmarks'], 'bookmarks']
+
+let g:starify_bookmarks = [ '~/.vim/vimrc' ]
+let g:startify_session_delete_buffers = 1
+let g:startify_custom_header =
+        \ map(split(system('cowsay -f dragon Welcome to VIM'), '\n'), '"   ". v:val') + ['','']
+        " \ map(split(system('toilet Welcome to VIM -t -W -F border'), '\n'), '"   ". v:val') + ['','']
+        " \ map(split(system('fortune | cowsay'), '\n'), '"   ". v:val') + ['','']
+
 " }}}
 
 "{{{ ***** VIM FEATURES ***** "
@@ -345,9 +395,9 @@ set nosmartindent
 "colorscheme solarized
 
 " seoul256 settings
-"let g:seoul256_background = 236
-"colorscheme seoul256
-"let g:airline_theme="tomorrow"
+" let g:seoul256_background = 236
+" colorscheme seoul256
+" let g:airline_theme="tomorrow"
 
 " Gruvbox settings
 let g:gruvbox_italic=0
@@ -355,17 +405,21 @@ set background=dark
 " set background=light
 colorscheme gruvbox
 
-"colorscheme bubblegum
-"set background=dark
-
-"colorscheme wombat256 
-"colorscheme zenburn 
-"colorscheme kolor 
-"colorscheme jellybeans 
-"colorscheme hybrid
-"colorscheme devbox-dark-256
-"colorscheme Tomorrow-Night-Eighties
-"colorscheme Tomorrow-Night
+" Paper-color settings
+" colorscheme PaperColor-Dark
+" let g:airline_theme="hybrid"
+
+" colorscheme bubblegum
+" set background=dark
+
+" colorscheme wombat256 
+" colorscheme zenburn 
+" colorscheme kolor 
+" colorscheme jellybeans 
+" colorscheme hybrid
+" colorscheme devbox-dark-256
+" colorscheme Tomorrow-Night-Eighties
+" colorscheme Tomorrow-Night
 
 "colorscheme carvedwoodcool