Merge pull request #9 from adamtootle/master

Add the ability to manually focus the editor
Merge pull request #14 from adamtootle/master

Adding support for custom toolbar buttons.
Added additional instructions about the .js file in XCode.
Fixed issue #16 where single quotes were breaking the getHTML method.
Fixes issue 18 to bring up the keyboard when the editor is first loaded
Fixed an issue where headings were not able to be removed when tapping on the heading button again.
Added a new option to hide or show keyboard when the editor loads.
Removal of private API usage. Fixes issue #17 where an app using ZSSRichTextEditor was being rejected by XCode. NOTE: Removal of this code brings back additional options when you have selected text, but these have been deemed acceptable in light of the privite API submission issue.
Removed code that was not needed.
Fixed an issue where the keyboard would show then hide, then show again when invoking the keyboard. This was caused by the contenteditable attribute being on the html element.
Removed background-color that was used for testing
Added new insertHTML: method that is used to insert HTML at the caret postion. Also updated the styling of two method names to be consistant.
Updated a method name
Fixed method name and added docs for new insertHTML: method.
Added podspec for cocoapods
Fixed an issue where audio elements might have text flow under them.
Merge branch 'muratupdates'
Added new toolbar image for inserting a custom keyword.
Updated setParagraph function to work correctly.
Updated methods to add a new option to set a paragraph.