Fixes problem with missing firstname and lastname ..

Related to #69
Merge branch 'master' of github.com:gooddata/gooddata-ruby into user-management
More docs and tests
Merge commit 'a13a1ea407aef965d258c52271d45f7b5c654257'

Conflicts:
	lib/gooddata/models/project.rb
	spec/unit/models/project_spec.rb
Merge branch 'master' of github.com:gooddata/gooddata-ruby
Merge branch 'master' of github.com:gooddata/gooddata-ruby into user-management
Merge branch 'master' of github.com:gooddata/gooddata-ruby
Merge branch 'master' of github.com:gooddata/gooddata-ruby into user-management
Ignore gh-pages and next_doc_release branches
Added param friendly version of create schedule, included conversion to JSON.
Merge remote-tracking branch 'origin/new-schedules' into new-schedules
Merge branch 'new-schedules'
Changed strings to symbols in spec tests.
Fixes #64
Fixed some rubocop issues
Update .travis.yml
Fixed couple of rubocop issues
Fixed a test with the changed model
Fixed issues
Remove unused statement