Fixed bug causing dropped charm zip files to be parsed as a bundle deployer file in IE11
Converted the basic auth to use the Authorization header instead of the url user/pass
Merge pull request #88 from hatched/local-charm-1273402

To QA this is a long setup process of custom charms, juju etc. We can postpone it until putcharm is a little more stable across the ecosystem.
Refactor position code into utils.

- Per request, create helper methods for calculating a points position on a
scaled/transformed canvas.
- Create helper for finding the center point of a relation line.
Merge pull request #87 from mitechie/refactor-position-code

- Per request, create helper methods for calculating a points position on a
scaled/transformed canvas.
- Create helper for finding the center point of a relation line.

QA
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To QA make sure that the menu pops up in the right place and things like ambiguous relations work as they should. A good pair of charms to check for this are mediawiki and mysql as you get the option for a slave db.