Update README.md
Merge remote-tracking branch 'origin/master'

Conflicts:
	README.md
Merge branch 'master' of github.com:gooddata/gooddata-ruby
Merge branch 'master' of github.com:korczis/gooddata-ruby
Pass argument to scaffold brick and scaffold project
Merge branch 'master' of github.com:gooddata/gooddata-ruby

Conflicts:
	spec/unit/cli/commands/cmd_scaffold_spec.rb
new command added - user list <pid>
Take project id from global options
Rename to use singular
new cli command: role list
Show default server info
Merge branch 'master' of github.com:gooddata/gooddata-ruby
Simplest possible implementation of user invite
Basis implementation of command 'project roles'
Basic implementation of listing project specific roles
Merge branch 'master' into user-management

Conflicts:
	lib/gooddata/cli/commands/user_cmd.rb
	lib/gooddata/commands/user.rb
Support for specifying role to assign by name
Optional invite message can be specified
Rename GoodData::Commands::Projects -> GoodData::Commands::Project
Move CLI cmd. project list -> projects list