Move _.pluck and _.invoke back to the "Collections" category and optimize _.sortedIndex when a callback is passed.

Former-commit-id: d16763e7d35660d8ba9ea976c8b2a4dc20f1211f

build/pre-compile.js

@@ -8,6 +8,7 @@
   /** Used to minify variables embedded in compiled strings */
   var compiledVars = [
     'accumulator',
+    'args',
     'arrayClass',
     'callback',
     'className',
@@ -18,14 +19,17 @@
     'hasOwnProperty',
     'identity',
     'index',
+    'isFunc',
     'iteratorBind',
     'length',
+    'methodName',
+    'noaccum',
     'object',
     'objectTypes',
-    'noaccum',
     'property',
     'result',
     'skipProto',
+    'slice',
     'source',
     'sourceIndex',
     'stringClass',