updated explorer highlighting, fixed network word loading

vipra-cmd/runcfg/CMD.launch

vipra-ui/app/html/directives/article-link.html

vipra-ui/app/html/directives/entity-link.html

vipra-ui/app/html/directives/topic-link.html

vipra-ui/app/html/directives/word-link.html

vipra-ui/app/html/explorer.html

vipra-ui/app/index.html

vipra-ui/app/js/controllers.js

vipra-ui/app/less/app.less