updated api docs with links to the selenium docs
updated api docs with links to the selenium docs

LucioFranco/nightwatch,lukaszw82/nightwatch,sknopf/nightwatch,teleological/nightwatch,campbellwmorgan/nightwatch,matskiv/nightwatch,campbellwmorgan/nightwatch,kpiwko/nightwatch,Crunch-io/nightwatch,obulisaravanan/nightwatch,bluemind-net/nightwatch,pmstss/nightwatch,ervinb/nightwatch,vuthelinh/nightwatch,awatson1978/nightwatch,gatero/nightwatch,nightwatchjs/nightwatch,ervinb/nightwatch,joel-airspring/nightwatch,byron7g7/nightwatch,joel-airspring/nightwatch,feedhenry/nightwatch,Crunch-io/nightwatch,mobify/nightwatch,mbixby/nightwatch,JonDum/nightwatch,nightwatchjs/nightwatch,prolificcoder/nightwatch,miguelangelrr6/originnightwatch,beatfactor/nightwatch,aahill50/dibs-nightwatch,iabw/nightwatch,aedile/nightwatch,CoderK/nightwatch