Footer with version number

A footer on each web page has been added and displays the version number
set in the pom.xml file.
Also made sure that every user's cache will be automatically refreshed
for the javascript and css files when the verison number is changed.

fixes sonyxperiadev/BacklogTool#32
Footer with version number

A footer on each web page has been added and displays the version number
set in the pom.xml file.
Also made sure that every user's cache will be automatically refreshed
for the javascript and css files when the verison number is changed.

fixes sonyxperiadev/BacklogTool#32
Merge branch 'versionnumbering' of https://github.com/fredrikpersson/BacklogTool into versionnumbering
Merge pull request #55 from fredrikpersson/versionnumbering

Footer with version number