Allow configurability of the FIXME strings

Author: pbrisbin

Diff for: README.md

@@ -17,6 +17,23 @@ These strings are things you should fix now, not later.
 2. Run `codeclimate engines:enable fixme`. This command both installs the engine and enables it in your `.codeclimate.yml` file.
 3. You're ready to analyze! Browse into your project's folder and run `codeclimate analyze`.
 
+### Configuration
+
+You can specify what strings to match by adding a `strings` key in your
+`.codeclimate.yml`:
+
+```yaml
+engines:
+  fixme:
+    enabled: true
+    strings:
+    - FIXME
+    - CUSTOM
+```
+
+**NOTE**: values specified here *override* the defaults, they are not
+*additional* strings to match.
+
 ### Need help?
 
 For help with `codeclimate-fixme`, please open an issue on this repository.

Diff for: lib/fix-me.js

@@ -12,7 +12,8 @@ function FixMe() { }
 FixMe.prototype.runEngine = function(){
   var analysisFiles = [],
       config = {
-        include_paths: ["./"]
+        include_paths: ["./"],
+        strings: ["FIXME", "TODO", "HACK", "XXX", "BUG"]
       },
       self = this;
 
@@ -28,12 +29,12 @@ FixMe.prototype.runEngine = function(){
   analysisFiles = fileBuilder.filterFiles(analysisFiles);
 
   analysisFiles.forEach(function(f, i, a){
-    self.find(f);
+    self.find(f, config.strings);
   });
 }
 
-FixMe.prototype.find = function(file){
-  var fixmeStrings = "'(FIXME|TODO|HACK|XXX|BUG)'",
+FixMe.prototype.find = function(file, strings){
+  var fixmeStrings = "'(" + strings.join("|") + ")'",
       self = this;
 
   // Prepare the grep string for execution (uses BusyBox grep)