corrected loading of h5 missing values; fixed info variable selection crash; invalid pts much more accurately detected and ignored during colocation; set up to plot vector data using config file settings; fixed remote file access for colocation copies

git-svn-id: https://svn.ssec.wisc.edu/repos/glance/trunk@100 8a9318a1-56ba-4d59-b755-99d26321be01