Fixed path to SSP for autoloading
#468 Removed instructions for installing Janus as a composer dependency from readme
#468 Added support for loading custom translations into tpl
#468 Added usage
#468 Removed junk
Merge pull request #469 from janus-ssp/feature/468-fix-install-in-sr

Feature/468 fix install in sr
Merge remote-tracking branch 'origin/develop' into feature/401-self-containing-archive