Enabled Ultisnips and added a few Python ones (for reference)

.gitmodules

@@ -31,3 +31,6 @@
 [submodule "nvim/pack/syntaxes/start/LanguageClient-neovim"]
 	path = nvim/pack/syntaxes/start/LanguageClient-neovim
 	url = git@github.com:autozimu/LanguageClient-neovim.git
+[submodule "nvim/pack/syntaxes/start/ultisnips"]
+	path = nvim/pack/syntaxes/start/ultisnips
+	url = git@github.com:SirVer/ultisnips.git

nvim/UltiSnips/markdown.snippets

@@ -0,0 +1,21 @@
+snippet header
++++
+title = "$1"
+date = `date +%Y-%m-%d`
+
+[taxonomies]
+tags = [$2]
++++
+
+$0
+
+<!-- more -->
+endsnippet
+
+snippet pt
+<!-- vim:spelllang=pt: -->
+endsnippet
+
+snippet date
+`date +%Y-%m-%d`
+endsnippet

nvim/UltiSnips/python.snippets

@@ -0,0 +1,16 @@
+snippet lint
+# pylint:disable=$0
+endsnippet
+
+snippet date
+`date +%Y-%m-%d`
+endsnippet
+
+snippet defmain
+def main():
+    """$1"""
+		return
+
+if __name__ == '__main__':
+    main()
+endsnippet

nvim/init.vim

@@ -45,7 +45,6 @@ let g:rainbow_active = 1				" This is part of the Rainbow brackets, enabling it
 " Mappings {{{
 nnoremap - :Ex<CR>
 nnoremap <silent> <leader>c :call TrimWhiteSpace()<CR>
-" nnoremap <leader>] <c-w>g<c-]>
 " }}}
 
 " Plugin configuration {{{
@@ -97,10 +96,6 @@ au FileType python setlocal textwidth=79					" max line size
 au FileType python setlocal colorcolumn=80					" put a margin indicator
 au FileType python au BufWritePre <buffer> %s/\s\+$//e		" When saving a Python file, remove tailing spaces
 au FileType python nmap <silent> <Leader>a :call JumpToAlternate()<CR>
-
-" Shortcut to add pylint disables
-au FileType python iab lint # pylint: disable
-au FileType python iab defmain def main():<CR>""""""<CR><CR><BS>if __name__ == '__main__':<CR>main()
 " }}}
 
 " CSV files {{{
@@ -108,7 +103,6 @@ au FileType csv setlocal list								" Display special characters, like tabs (fo
 " }}}
 
 " Rust {{{
-
 let g:rustfmt_autosave = 1									" Apply `rustfmt` when saving the file.
 
 au FileType rust setlocal number							" show line numbers
@@ -121,18 +115,6 @@ au FileType rust setlocal colorcolumn=80					" put a margin indicator
 " }}}
 
 " Markdown {{{
-au FileType markdown setlocal iskeyword+=:	" this is kinda of a "hack" to make abbr accept ":" in them
-" This is a long abbreviation, but:
-" Most of it is simply text, with linebreaks (<CR>).
-" There is one thing to take care, though: <CR> is NOT <C-R>.
-" <C-R> will call the function (strftime), which will insert the current
-" date.
-au FileType markdown iab <silent> :header +++<CR>title = ""<CR>date = <C-R>=strftime('%Y-%m-%d')<CR><CR><CR>[taxonomies]<CR>tags = [""]<CR>+++<C-O>5k<C-O>6l
-" This abbreviation adds a modeline to set VIM to change the spell
-" lang to portuguese.
-au FileType markdown iab :pt <!--<CR>vim:spelllang=pt:<CR>-->
-au FileType markdown iab :date <C-R>=strftime('%Y-%m-%d')
-
 au FileType markdown setlocal spell			" enable spell checking
 au FileType markdown setlocal textwidth=79	" max line size
 au FileType markdown setlocal expandtab		" use spaces instead of tabs

nvim/pack/syntaxes/start/ultisnips

@@ -0,0 +1 @@
+Subproject commit 8554371b57c8989cf73f73f288c456fb3f2a3a3a