Add a User-Agent to requests to the EVE API.

Signed-off-by: Tyler O'Meara <Tyler@TylerOMeara.com>
Change core.alliance to core.operator since not all Core operators will be allianced.

Signed-off-by: Tyler O'Meara <Tyler@TylerOMeara.com>
Merge pull request #373 from Acidity/feature/user-agent

Add a User-Agent to requests to the EVE API.