Fix up a bunch of things csslint complained about, removing duplicat …

…properties and putting in some abstress LESS classes, changing 0px to 0, some other details

.csslint.rc

@@ -0,0 +1,25 @@
+{
+  "empty-rules": false,
+  "empty-rules-reason": "LESS creates some empty rules",
+
+  "bulletproof-font-face": false,
+  "buttetproof-font-face-reason": "This only seems to apply when you provide multiple formats, and we aren't doing that",
+
+  "qualified-headings": false,
+  "qualified-headings-reason": "This happens as part of the reset, we reset headings inside .towtruck (though technically we aren't using headings so we could remove that reset)",
+
+  "adjoining-classes": false,
+  "adjoining-classes-reason": ".class1.class2 isn't supported in some older browsers, but we don't support those",
+
+  "vendor-prefix": false,
+  "vendor-prefix-reason": "We have some vendor prefixes in vendor-prefix-specific selectors, and CSSLint complains about that.",
+  "compatible-vendor-prefixes": false,
+  "compatible-vendor-prefixes-reason": "Same as vendor-prefix",
+
+  "duplicate-background-images": false,
+  "duplicate-background-images-reason": "LESS explodes out some background images, creating duplicates, but they aren't duplicated in the source.",
+
+  "fallback-colors": false,
+  "fallback-colors-reason": "Some old browsers don't support RGBA, but we don't care about those browsers"
+
+}

Gruntfile.js

@@ -11,6 +11,12 @@ var vars = {
 
 module.exports = function (grunt) {
 
+  var dumpLineNumbers = false;
+  if (!! grunt.option("less-line-numbers")) {
+    grunt.verbose.writeln("Enabling LESS line numbers");
+    dumpLineNumbers = true;
+  }
+
   grunt.initConfig({
     pkg: grunt.file.readJSON('package.json'),
 
@@ -19,6 +25,9 @@ module.exports = function (grunt) {
         files: {
           "build/towtruck/towtruck.css": "towtruck/towtruck.less",
           "build/towtruck/recorder.css": "towtruck/recorder.less"
+        },
+        options: {
+          dumpLineNumbers: dumpLineNumbers
         }
       }
     },
@@ -63,6 +72,7 @@ module.exports = function (grunt) {
     csslint: {
       // Check here for options: https://github.com/stubbornella/csslint/wiki/Rules
       options: {
+        csslintrc: ".csslint.rc"
       },
       src: ["build/towtruck/towtruck.css"]
     },
@@ -163,7 +173,7 @@ module.exports = function (grunt) {
         }
         grunt.log.writeln("writing " + src.cyan + " to " + dest.cyan);
         grunt.file.write(dest, content);
-      };
+      }
       return true;
     }
   );

towtruck/functions.less

@@ -4,6 +4,7 @@
   transition: @val;
   -moz-transition: @val;
   -webkit-transition: @val;
+  -o-transition: @val;
 }
 
 .transform-origin (...) {