add log scale for kmer profile, some pixal pushing
added variable list per notebook (step 2). added variable list per notebook per type (step 1).
updated cached plant data - more metadata
removed old notebook cache
more changes for proper notebook / variable / type control
genome cache
more changes for analysis builder, feature complete plant options and notebook-variable-step linkage
Merge pull request #111 from teharrison/master

mgoverview update, analysis builder update