Evil Icons Versions Save

The icon function extracted to its own module to allow to use it separately from the main module. Thanks to @tnguyen14

• Updated Instagram icon. Thanks to @antiflasher.

• Added telegram icon

• Added Pinterest icon
• Updated Google Plus icon

• Fixed click events #65

• Fixed libxmljs fail

• Fixed html breaking

• Fixed doctype removing by the iconizeHtml method

• Fixed sprite multirendering (https://github.com/outpunk/grunt-evil-icons/issues/1)
• Fixed multiple icon classes (#57)

• Fixed ruby gem