Add more logging

Log when we disable users adding of apikeys
Log the reason when calling invalidate_key
Fix issue where if a Corp API key was added that had a Character on it,
all the views which then excluded Corp APIs from the Chacter select item
would be exluded, even though there is a valid, non-corp API key also in
existance.

Fixes #48
Merge branch 'develop' of github.com:Gillingham/evething into develop
Remove whitespace that shouldnt exist
Update settings.py

Add default value for PRICE_URL so we don't break existing evething installs of those who pull in the changes to the priceupdater task.
Merge pull request #51 from Gillingham/develop

Pull in fixes for #34
Merge pull request #4 from madcowfred/develop

Develop
Move over to supporting celery 3.1.x out of the box. Update some of the README.rst to the newer practices
Give sample pip install command for celery[redis]
Add displaying of partial trained skills to the skillplan view.
Logic care of @Kyria fixes #45
Merge pull request #52 from Gillingham/develop

Update to celery 3.1.x and Show partially trained skills in the skillplan
Add the % done to the current training skill in the skillplan
Merge pull request #53 from Gillingham/develop

Add the % done to the current training skill in the skillplan
Remove extra blank line
Add characterdetails to admin GUI
Merge branch 'develop' of github.com:Gillingham/evething into develop
Convert from rst to markdown for the README
Fix worker section
Fix apache section of README
Merge pull request #55 from Gillingham/develop

Swap README over to use markdown