changed: added browser support section to readme, closes #317
changed: added browser support section to readme, closes #317

kobotoolbox/enketo-core,enketo/enketo-core,nap2000/enketo-core,medic/enketo-core,enketo/enketo-core,nap2000/enketo-core,kobotoolbox/enketo-core,enketo/enketo-core,nap2000/enketo-core,medic/enketo-core