changed submodule path to https (instad of git)
env variable for travis testing of wellmap
trying ENV variables for server without X11
interface for dendrogram panel
renamed tree data interface
added school dataset
testing dataset i/o
header detection for text files
disabled wellmap test (didn't pass on travis due missing X server)
handling missing values in RTCA files
Merge branch 'dev' of github.com:deric/clueminer into dev