introduce ExecutablePlugin class which extends from generalised Plugin class
implement a HTML Type of plugin which renders a tiny WebView
implement clickable menuitems

menu items can be made clickable by providing a 'href' parameter. e.g. 
```bash
echo "foo menu"
echo "---"
echo "ticket XYZ | href=http://somewhere.com/ticket/XYZ"
```
Merge branch 'refs/heads/menu-links'
exclude subdirs in plugin directory
optimise line parameter parsing 

use substring instead of componentsSeparatedByString
Merge branches 'htmlplugin' and 'menu-links'
move lineCycleTimer to ExecutablePlugin
add clickable link example
implement `color=..` parameter support
add example of `color=..` parameter
fix the stupid curl example
implemented bunch of methods exposed to the WebView

- BitBar.resizeToFit()
- BitBar.resetMenu()
- BitBar.addMenuItem("My title")
- BitBar.addMenuItem({"title": "My title"})
- BitBar.addMenuItems([..])
- BitBar.addMenuSeperatorItem()
- BitBar.showMenu()
append BitBar default Preferences MenuItems
added WebInspector support so you can use Safari's Developer Tools to debug HTML Plugins directly
Merge branch 'menu-links'
Merge branch 'htmlplugin'
Merge pull request #4 from muhqu/htmlplugin

New Feature: HTML Plugins