Update vimrc, remove pathogen, use ALE

vimrc

@@ -1,7 +1,3 @@
-" Activate Pathogen:
-execute pathogen#helptags()
-execute pathogen#infect()
-
 syntax on
 filetype plugin indent on
 
@@ -16,7 +12,6 @@ set smarttab
 set encoding=utf-8
 set nocompatible
 set t_Co=256
-set background=dark
 set hidden
 set history=100
 set nowrap
@@ -47,6 +42,7 @@ set lazyredraw
 
 " Colour scheme:
 colorscheme PaperColor
+set background=dark
 
 " Key mappings:
 nnoremap j gj
@@ -59,6 +55,9 @@ map <right> <nop>
 " Select just-pasted text:
 nnoremap <Leader>p `[v`]
 nnoremap Q @@
+" Skip to next linter problems:
+nmap <silent> <C-Right> :ALENext<cr>
+nmap <silent> <C-Left> :ALEPrevious<cr>
 
 " Markdown configuration:
 autocmd FileType markdown setlocal wrap linebreak
@@ -77,21 +76,30 @@ let g:CommandTMaxHeight=30
 " Lightline configuration:
 set laststatus=2
 
-" Prettier configuration:
-nmap <Leader>P <Plug>(Prettier)
-let g:prettier#autoformat = 0
-autocmd BufWritePre *.js,*.json,*.css,*.scss,*.less,*.graphql Prettier
-
-" vim-rust configuration:
-let g:rustfmt_autosave = 1
-
-" vim-go configuration:
-let g:go_fmt_command = "goimports"
+" Vim-Go configuration:
+let g:go_fmt_autosave = 0
+let g:go_imports_autosave = 0
 autocmd BufNewFile,BufRead *.gohtml set syntax=gohtmltmpl
 
-" vim-rails configuration:
-let g:rails_projections = {
-  \ 'app/decorators/*.rb': { 'command': 'decorator' },
-  \ 'app/validators/*.rb': { 'command': 'validator' },
-  \ 'app/services/*.rb': { 'command': 'service' }
+" Vim-Rust configuration:
+let g:rustfmt_autosave = 0
+
+" ALE configuration:
+let g:ale_linters = {
+      \ 'javascript': ['eslint'],
+      \ 'go': ['govet', 'golint'],
+      \ 'rust': ['cargo']
       \ }
+let g:ale_fixers = {
+      \ '*': ['remove_trailing_lines', 'trim_whitespace'],
+      \ 'javascript': ['prettier'],
+      \ 'go': ['gofmt', 'goimports'],
+      \ 'rust': ['rustfmt']
+      \ }
+let g:ale_fix_on_save = 1
+let g:ale_lint_on_text_changed = 0
+let g:ale_lint_on_enter = 1
+let g:ale_lint_on_insert_leave = 1
+let g:ale_lint_on_save = 1
+let g:ale_echo_cursor = 1
+let g:ale_rust_cargo_use_clippy = 0