added initial explore
opened grunt server to external access
explore refactor
elastic roll over, changes to explore movement
renaming from topic to issue
updated animations
add lines
added explore modes
mouse over WIP and topics over
topic mouse out
minor tweaks
small tweaks
small fixes
comments
fixed topic hover bug
started adding texts
fixed mouse over/out on issues
small tweaks
moved explorer away from the view, added service
adapted explore to full screen