Add way to get company info from Dev Slug

+ Add list in redid matching slug to devleopers
+ Add method to get ids of developers from slug
+ Add method to grab avatar, companyName, homepage, support urls from
developer slug
Merge branch 'master' of https://github.com/cvan/galaxy-api into dev_search
some internal documentation
add ability to search for company info by dev
only add to developer list when company slug is changed

+ When company slug is updated, add to new developer list.
+ fix typo with returning support url
+ restructure error callbacks for more info
space fixes
Merge pull request #72 from cvan/dev_search

+Create a list of developer id's under a company slug in redis. Update list when company Slug is changed
+Add method for getting all developer id's under a company slug
+Add method for getting company info for a developer slug (along with helper method that picks info to return)

+Add devSlug parameter to search against
+if devSlug parameter specified, search for company info