default forms and progress bars from Bootstrap for ipContent
commenting Bootstrap elements we don't need in ipContent forms
Bootstrap mixins used for forms and progress bars
Remove Ip/Form/Exception
Ip/Internal/Content/Exception -> Ip/Exception/Content
Remove unused class
Ip\Internal\Repository\Exception -> Ip\Exception\Repository
cleanup
Ip\Internal\Repository\TransformException -> Ip\Exception\Repository\Transform
Ip\Internal\Repository\UploadException -> Ip\Exception\Repository\Upload
Ip\Internal\Repository\UploadException -> Ip\Exception\Repository\Upload
refactoring default forms
Merge branch 'develop' of github.com:impresspages/ImpressPages into develop

Conflicts:
	Ip/Internal/Repository/view/popup.php
make ipRepositoryFile() options parameter optional
improve menu slot
Merge branch 'develop' of github.com:impresspages/ImpressPages-CMS into develop

Conflicts:
	Ip/Internal/Core/Slot.php
fix captcha on windows
fix form options sort
Remove unused view
Fix file select fields duplication