refs #7111 Updates to code

Format for unit variable changed, eq1 and eq2's y-axis label changed, included elf WS in 'Save' routine and added section for normalising.
refs #7111 GUI changes.

Can now use the new functionality through the interface.
refs #7111 Corrected slight error

Now parses string correctly.
Merge remote-tracking branch 'origin/feature/7111_elwin_updates'