Present error when adding Indicator via Object fails
Inherit Campaigns when adding Indicator via Object
Prevent KeyError when Campaign Confidence is empty or invalid
Stop new Campaign from modifying existing Campaign
Avoid error during upload of .msg file with attachment

This fixes issues #197.
Merge pull request #203 from brlogan/patch-12

Avoid error during upload of .msg file with attachment
Merge pull request #186 from brlogan/campaignIndViaObj

Inherit Campaigns when adding Indicator via Object
Merge branch 'master' into distributed_services