Now the whole page gets refreshed on container changes, if
we encounter issues with that we can improve it afterwards
or roll back some cahnges already made in previous commits
refs #4611
This commit introduces the following changes (although they are not
implemented in the templates, this follows):
- links in the top and navigation bar are loaded in the background
- generic main/detail container component handling click/load delegation
- mainDetailGrid implementation handling selection and render targets
- Generic history implementation handling URI change detection and reloading
refs #4611
