Point to compiler via /usr/bin/env. fix #121

Signed-off-by: Timothée Peignier <timothee.peignier@tryphon.org>

AUTHORS

@@ -32,3 +32,4 @@ or just made Pipeline more awesome.
  * Steven Cummings <estebistec@gmail.com>
  * Timothée Peignier <timothee.peignier@tryphon.org>
  * Trey Smith <trey.smith@nasa.gov>
+ * Michael Weibel <michael.weibel@gmail.com>

pipeline/conf/settings.py

@@ -24,29 +24,29 @@ PIPELINE_TEMPLATE_FUNC = getattr(settings, 'PIPELINE_TEMPLATE_FUNC', "template")
 
 PIPELINE_DISABLE_WRAPPER = getattr(settings, 'PIPELINE_DISABLE_WRAPPER', False)
 
-PIPELINE_CSSTIDY_BINARY = getattr(settings, 'PIPELINE_CSSTIDY_BINARY', '/usr/local/bin/csstidy')
+PIPELINE_CSSTIDY_BINARY = getattr(settings, 'PIPELINE_CSSTIDY_BINARY', '/usr/bin/env csstidy')
 PIPELINE_CSSTIDY_ARGUMENTS = getattr(settings, 'PIPELINE_CSSTIDY_ARGUMENTS', '--template=highest')
 
-PIPELINE_YUI_BINARY = getattr(settings, 'PIPELINE_YUI_BINARY', '/usr/local/bin/yuicompressor')
+PIPELINE_YUI_BINARY = getattr(settings, 'PIPELINE_YUI_BINARY', '/usr/bin/env yuicompressor')
 PIPELINE_YUI_CSS_ARGUMENTS = getattr(settings, 'PIPELINE_YUI_CSS_ARGUMENTS', '')
 PIPELINE_YUI_JS_ARGUMENTS = getattr(settings, 'PIPELINE_YUI_JS_ARGUMENTS', '')
 
-PIPELINE_CLOSURE_BINARY = getattr(settings, 'PIPELINE_CLOSURE_BINARY', '/usr/local/bin/closure')
+PIPELINE_CLOSURE_BINARY = getattr(settings, 'PIPELINE_CLOSURE_BINARY', '/usr/bin/env closure')
 PIPELINE_CLOSURE_ARGUMENTS = getattr(settings, 'PIPELINE_CLOSURE_ARGUMENTS', '')
 
-PIPELINE_UGLIFYJS_BINARY = getattr(settings, 'PIPELINE_UGLIFYJS_BINARY', '/usr/local/bin/uglifyjs')
+PIPELINE_UGLIFYJS_BINARY = getattr(settings, 'PIPELINE_UGLIFYJS_BINARY', '/usr/bin/env uglifyjs')
 PIPELINE_UGLIFYJS_ARGUMENTS = getattr(settings, 'PIPELINE_UGLIFYJS_ARGUMENTS', '')
 
-PIPELINE_COFFEE_SCRIPT_BINARY = getattr(settings, 'PIPELINE_COFFEE_SCRIPT_BINARY', '/usr/local/bin/coffee')
+PIPELINE_COFFEE_SCRIPT_BINARY = getattr(settings, 'PIPELINE_COFFEE_SCRIPT_BINARY', '/usr/bin/env coffee')
 PIPELINE_COFFEE_SCRIPT_ARGUMENTS = getattr(settings, 'PIPELINE_COFFEE_SCRIPT_ARGUMENTS', '')
 
-PIPELINE_SASS_BINARY = getattr(settings, 'PIPELINE_SASS_BINARY', '/usr/local/bin/sass')
+PIPELINE_SASS_BINARY = getattr(settings, 'PIPELINE_SASS_BINARY', '/usr/bin/env sass')
 PIPELINE_SASS_ARGUMENTS = getattr(settings, 'PIPELINE_SASS_ARGUMENTS', '')
 
-PIPELINE_STYLUS_BINARY = getattr(settings, 'PIPELINE_STYLUS_BINARY', '/usr/local/bin/stylus')
+PIPELINE_STYLUS_BINARY = getattr(settings, 'PIPELINE_STYLUS_BINARY', '/usr/bin/env stylus')
 PIPELINE_STYLUS_ARGUMENTS = getattr(settings, 'PIPELINE_STYLUS_ARGUMENTS', '')
 
-PIPELINE_LESS_BINARY = getattr(settings, 'PIPELINE_LESS_BINARY', '/usr/local/bin/lessc')
+PIPELINE_LESS_BINARY = getattr(settings, 'PIPELINE_LESS_BINARY', '/usr/bin/env lessc')
 PIPELINE_LESS_ARGUMENTS = getattr(settings, 'PIPELINE_LESS_ARGUMENTS', '')
 
 PIPELINE_MIMETYPES = getattr(settings, 'PIPELINE_MIMETYPES', (