Get google analytics working

- A special piece of configuration is need to make it work on the
  localhost domain.  this configuration is enabled by the --debug flag
Add tracking code for Enhanced Link Attribution™
Use app logger instead of getLogger
Remove unused import
Merge branch 'master' of github.com:InsolvencyService/wader into google-analytics
Merge pull request #93 from InsolvencyService/google-analytics

Google analytics integration
Some static analysis fixes for beta_claim_forms
Merge branch 'master' of github.com:InsolvencyService/wader into static-analysis
Many many many line length fixes to schemas.py
Point static analysis in Makefile at *.py file

- I didn't finish all of them
Merge pull request #94 from InsolvencyService/static-analysis

Many static analysis fixes in beta_claim_forms
Remove reference to wader-sass, as no longer used
Merge branch 'master' into behave_1.2.4