Updated vim plugins. Nerd tree is on the right by default

sources_non_forked/syntastic/plugin/syntastic.vim

@@ -19,7 +19,7 @@ if has('reltime')
     lockvar! g:_SYNTASTIC_START
 endif
 
-let g:_SYNTASTIC_VERSION = '3.6.0-14'
+let g:_SYNTASTIC_VERSION = '3.6.0-16'
 lockvar g:_SYNTASTIC_VERSION
 
 " Sanity checks {{{1

sources_non_forked/syntastic/syntax_checkers/python/prospector.vim

@@ -31,7 +31,6 @@ endfunction
 
 function! SyntaxCheckers_python_prospector_GetLocList() dict
     let makeprg = self.makeprgBuild({
-        \ 'args': '--external-config merge',
         \ 'args_after': '--messages-only --absolute-paths --die-on-tool-error --zero-exit --output-format json' })
 
     let errorformat = '%f:%l:%c: %m'

sources_non_forked/syntastic/syntax_checkers/xml/xmllint.vim

@@ -23,7 +23,9 @@ set cpo&vim
 " and http://www.xmlsoft.org/catalog.html for more information.
 
 function! SyntaxCheckers_xml_xmllint_GetLocList() dict
-    let makeprg = self.makeprgBuild({ 'args_after': '--xinclude --noout --postvalid' })
+    let makeprg = self.makeprgBuild({
+        \ 'args': '--xinclude --postvalid',
+        \ 'args_after': '--noout' })
 
     let errorformat=
         \ '%E%f:%l: error : %m,' .