Fix _.bindAll documentation to note that methodNames are required

Underscore currently raises an error in this case
Merge pull request #988 from sdemjanenko/fix_bindAll_doc

Fix _.bindAll documentation to note that methodNames are required
Fix typos
Fixed compile error in test/objects.js
Merge pull request #997 from anjlab/spellcheck-20130305T183043

Fix typos
refs #886, document the context of the _.result function
Tweak _.result docs a bit.
Fix memoize example to use memoized function within the scope.
Merge pull request #1012 from blakeembrey/fib-test

Fix memoize example to use memoized function within the scope