WM: Styled delete modal
WM: Width & center buttons fix, closes #515
PLD: default hide delete modal
Merge pull request #567 from onaio/515_style_delete_modal

515 style delete modal
GM/WM: Fix share dialog user table bug in firefox
GM: Set open as default selected option and load share modal when back is clicked
GM: Toggle active class in form submission setting modal
GM: Prevent duplicate addition of users in project share modal
GM: Enable smarter user row recognition and removal
GM: Fixed broken link due to route refactor