change subset length to subset days
fix bug in rvic/time_utility causing restart flag to stay up after restart date
Add example configuration files for convolvution, and parameter programs.
renamed convolution example
Add config and remap to rvic module.

Allows for use of rvic convolution without installing cdo.
Fix bug in downstream count where empty array should have been initialized as zeros.
move remap and config parsing to seperate files

also minor improvements to tar file utility.
Improvements to global netcdf attributes and added history file restart var attributes
Fix bug in downstream count where empty array should have been initialized as zeros.
minor improvements to diagnostic plots
update in global attributes write
fix import of config module
Fixed problem in generating UHs for less than entire basin

Also added diagnostic timeseries plots to param_file.py
Move cdo import to init section so parameters can be generated without importing cdo.py if remap is FALSE

Added debug statement to remap.py
Overhaul of UH subseting function

Now subset centered on maximum of unit hydrograph

Removed SUBSET_THRESHOLD option from example config files
more partial basin fixes
add debug statements to param_file subset routinge and fix typo in global netcdf attributes
Merge branch 'hotfix-0.0.2' of github.com:jhamman/RVIC into develop

Conflicts:
	rvic/make_uh.py
	rvic/utilities.py
changes to remap import and fixed index bug in make_uh