grunt clean log files

.gitignore

@@ -3,6 +3,5 @@ node_modules
 coverage
 tests/webdriver/fuzzer_output
 tests/webdriver/logs
-libpeerconnection.log
-chromedriver.log
-sauce_connect.log
+*.log
+TODO

Gruntfile.coffee

@@ -29,7 +29,7 @@ module.exports = (grunt) ->
       tandem_wrapper:
         files: [{ dest: 'build/lib/tandem-core.js', src: ['tests/mocha/tandem.coffee'] }]
       
-    clean: ['build']
+    clean: ['build', '*.log']
 
     coffee:
       demo: