renames map* to wire* and injector to resolver

see #32
allows configuring wiring with a map
adds optional wiring parameter to wire* methods
removes obsolete "key" arg from Context#createAndSetupInstance
adds wrapper methods for resolver to context
publicizes Context#wireCommands
Merge branch 'master' of github.com:ModelN/backbone.geppetto into injector

Conflicts:
	backbone.geppetto.js
	specs/geppetto-specs.js
	specs/injector-specs.js
	specs/test-main.js
beautifies
Merge pull request #38 from creynders/injector

API changes