Upgrae gapy to 1.3.0

This adds the ability to add a hook that is called whenever the Google
API is called. This is required for monitoring the GA API usage.
Track GA API usage in Graphite
Add script to recollect data sets affected by refactor

A number of data sets have had their 'dataType' field changed to match
their data type. This means that legacy data needs to be recollected.
Fail process if collect fails
PEP8
Use executable path for pp-collector path

In the one-off recollect script use the path of the executing python
binary to determine where to find pp-collector.
Merge pull request #41 from alphagov/recollect-after-refactor

Add script to recollect data sets affected by refactor
Disable zipping of backdrop payloads

It is not working in the wild.
Merge pull request #42 from alphagov/disable-gziping

Disable zipping of backdrop payloads
Disable test for zipping
Merge pull request #43 from alphagov/disable-gziping

Disable test for zipping
Echo out information for each stage of publishing to PyPI
adding our first minor version!
Register with the test pypi server before uploading
Patch update to publishing
Merge pull request #44 from alphagov/semver_publishing

Semver publishing (0.1.1 release candidate)
use set version variable, not system one!
patching the version as well
Merge pull request #45 from alphagov/semver_publishing

use set version variable, not system one!
Merge pull request #40 from alphagov/monitor-ga-in-graphite

Monitor ga in graphite