Add basic compatibility for CPBrowser

Without this fix, nib2cib fails in converting CPBrowser widgets from Interface Builder.

This should probably be made more robust in the future.
Merge branch 'refs/heads/master' into nib2cib-cpbrowser-compat
Move variable into initialization. Remove unused variable.
Formatting for NSBrowser.j
Merge branch 'refs/heads/master' into nib2cib-cpbrowser-compat
Merge branch 'nib2cib-cpbrowser-compat' of github.com:ahankinson/cappuccino into nib2cib-cpbrowser-compat
Decode keys from XIB file
Merge branch 'refs/heads/master' into nib2cib-cpbrowser-compat
NSBrowserTest initial commit
Merge pull request #1770 from ahankinson/nib2cib-cpbrowser-compat

Nib2cib cpbrowser compatibility