Merge pull request #54 from teharrison/master

better error checking in analysis object, more notebooks
Merge pull request #55 from teharrison/master

more nb changes
Merge pull request #56 from teharrison/master

updated analysis object for 'hit_type' option, added error message for bad BIOM return
Merge pull request #57 from teharrison/master

fixed onclick (interactive) retina barchart and piechart, made bp histogram an area graph
Merge pull request #58 from teharrison/master

plant updates
Merge pull request #59 from teharrison/master

bug fix
Merge pull request #60 from teharrison/master

caching updates, new metagenome widget function calls
Merge pull request #61 from teharrison/master

pre-add renderers so the path is set
Merge pull request #62 from teharrison/master

bare genome class added
Merge pull request #63 from teharrison/master

 	add missing target
Merge pull request #64 from teharrison/master

 	changes / fixes for metagenome display sub-class
Merge pull request #65 from teharrison/master

 	pixal pushing piechart
Merge pull request #66 from teharrison/master

small fix
Merge pull request #67 from teharrison/master

broken variable name fix, minor tweaks