youtube bug fix
wolfram alpha incorporated into chart
wordnik shows the rest of the info now, parsed correctly
remove duplicates from word association hash
added reverse definitions to view
Merge pull request #43 from kevinmcalear/css_stuff

worked on the main search page style
animation
Merge branch 'master' into animation
working mouseover popups for word tree
Merge pull request #44 from kdoyne/animation

Working popups on word tree
fixed word association graph
fixed merge conflicts
some minor css fixes
styling
adding topic design and arrows
fixed merge conflicts
end journey button, saves last topic time
Merge pull request #46 from rory2988/endjourneybutton

end journey button, saves last topic time
fixed a bug with my merge
fixed merge conflicts