Changes

• Update all available changes with just a click using the new "Accept all changes" button ( #128 ).
• Initially visibility of optional columns in the requirement view is now configurable via the new "isVisibleByDefault" property ( #130 )
• Easily scroll to the top of the page in the requirement view with "Back to Top" button ( #131 )

Bug fixes

• Issue where changes in requirement shortName and category are not made visible ( #127 )