[SERVINF-163] Remove remaining mentions of Taverna Lite.

It's still in the comments, but now not in any interface text.
[SERVINF-153] Fix text field auto-select behaviour.
[SERVINF-164] Properly configure GA.

This is now done per environment and no longer hard-coded into the layout.
[SERVINF-155] Move "powered by" logo into the footer.

No longer obscured in some cases, which looks untidy.
Remove odd identifier text from new run form.

Showed up only when a run has no inputs.
[SERVINF-166] Re-factor new run view to separate inputs.

Much easier to understand now - less like a stream of consciousness.
[SERVINF-167] Fix spelling mistakes.

In run input and output customization views.
Bump version number to 0.5.3.
Merge branch '0.5.2-maint'

* 0.5.2-maint:
  [SERVINF-167] Fix spelling mistakes.
  [SERVINF-166] Re-factor new run view to separate inputs.
  Remove odd identifier text from new run form.
  [SERVINF-155] Move "powered by" logo into the footer.
  [SERVINF-164] Properly configure GA.
  [SERVINF-153] Fix text field auto-select behaviour.
  [SERVINF-163] Remove remaining mentions of Taverna Lite.