Merge pull request #14 from mnfienen/classy

Classy
Merge pull request #15 from mnfienen/classy

Added cellnum (e.g. node) to MFgrid shapefile in preproc
Merge pull request #16 from mnfienen/classy

Made a checker for node in MFgrid to avoid needing to recreate it if it'...
Merge pull request #17 from mnfienen/classy

Finished the make_rivers_table method for SFRops that calculates the ele...
Merge pull request #18 from mnfienen/classy

Now reading in levelpathID and hydrosequence data
premerge
Merge remote-tracking branch 'aleaf/classy' into hwrclassy
added some contour intersect inputs
pre-merge
adding input for elevation contour intersection
adding methods to work with levelpaths
working with section to drop parts of COMID if the
length in the cell is too small
added rfact to SFR_setup.xml; elevation contour intersection input
reachlength check adding into classy
Merge pull request #19 from hwreeves-USGS/hwrclassy

Hwrclassy
resolve merge conflict
Merge pull request #22 from mnfienen/mnfienen-classy

Mnfienen classy
working on interp of contour elevs
resolved merge conflict
Fixed a bug in make_rivers_table in creating ordered FIDs

Also updated CleanupRiverCells.py so it works with XML input file