Fix errors when starting vim on fresh account

The plugins where loaded too late. It was not possible to call
:PlugInstall

.config/vim/vimrc

@@ -1,6 +1,23 @@
 set runtimepath+=~/.config/vim,~/.config/vim/after
 set viminfo+=n~/.cache/viminfo
 
+" Plug plugins using VimPlug
+call plug#begin('~/.config/vim/plugged')
+    Plug 'editorconfig/editorconfig-vim'
+    Plug 'airblade/vim-gitgutter'
+    Plug 'samoshkin/vim-mergetool'
+    Plug 'fidian/hexmode'
+    Plug 'scrooloose/nerdtree'
+    Plug 'itchyny/lightline.vim'
+    Plug 'nanotech/jellybeans.vim'
+    Plug 'scrooloose/syntastic'
+    Plug 'sersorrel/vim-lilypond'
+    Plug 'vim-scripts/DoxygenToolkit.vim'
+    Plug 'drmikehenry/vim-headerguard'
+    Plug 'cespare/vim-toml'
+    Plug 'posva/vim-vue'
+call plug#end()
+
 set number relativenumber
 
 let mapleader = " "
@@ -37,24 +54,6 @@ if has("autocmd")
     au FileType lilypond au BufWritePost * !lilypond %
 endif
 
-
-" Plug plugins using VimPlug
-call plug#begin('~/.config/vim/plugged')
-    Plug 'editorconfig/editorconfig-vim'
-    Plug 'airblade/vim-gitgutter'
-    Plug 'samoshkin/vim-mergetool'
-    Plug 'fidian/hexmode'
-    Plug 'scrooloose/nerdtree'
-    Plug 'itchyny/lightline.vim'
-    Plug 'nanotech/jellybeans.vim'
-    Plug 'scrooloose/syntastic'
-    Plug 'sersorrel/vim-lilypond'
-    Plug 'vim-scripts/DoxygenToolkit.vim'
-    Plug 'drmikehenry/vim-headerguard'
-    Plug 'cespare/vim-toml'
-    Plug 'posva/vim-vue'
-call plug#end()
-
 map <leader>m :Magit<CR>
 map <leader>n :NERDTreeToggle<CR>