Close #542 - Add an option for disabling running locally installed executables by default

autoload/ale/handlers/eslint.vim

@@ -5,7 +5,7 @@ let s:sep = has('win32') ? '\' : '/'
 
 call ale#Set('javascript_eslint_options', '')
 call ale#Set('javascript_eslint_executable', 'eslint')
-call ale#Set('javascript_eslint_use_global', 0)
+call ale#Set('javascript_eslint_use_global', get(g:, 'ale_use_global_executables', 0))
 call ale#Set('javascript_eslint_suppress_eslintignore', 0)
 call ale#Set('javascript_eslint_suppress_missing_config', 0)
 

autoload/ale/handlers/textlint.vim

@@ -2,7 +2,7 @@
 " Description: textlint, a proofreading tool (https://textlint.github.io/)
 
 call ale#Set('textlint_executable', 'textlint')
-call ale#Set('textlint_use_global', 0)
+call ale#Set('textlint_use_global', get(g:, 'ale_use_global_executables', 0))
 call ale#Set('textlint_options', '')
 
 function! ale#handlers#textlint#GetExecutable(buffer) abort

autoload/ale/handlers/writegood.vim

@@ -4,7 +4,7 @@
 function! ale#handlers#writegood#ResetOptions() abort
     call ale#Set('writegood_options', '')
     call ale#Set('writegood_executable', 'write-good')
-    call ale#Set('writegood_use_global', 0)
+    call ale#Set('writegood_use_global', get(g:, 'ale_use_global_executables', 0))
 endfunction
 
 " Reset the options so the tests can test how they are set.