added 'style' option to paragraph to set its main div style
fixed floats
added pcoa viz, updated auto-viz for abundances
Merge pull request #79 from paczian/master

plot update
Merge pull request #80 from paczian/master

added communities splash screen
Merge branch 'master' of github.com:MG-RAST/Retina
added more heatmap / pcoa options, updated 'auto-vizualize' option
Merge pull request #81 from teharrison/master

analysis builder updates and tweaks