Merge pull request #2 from HeikeSp/master

climate_query.sql deleted because not necessary
fixed "make test"
simplified precipation dictionary and related function get_soil_water()
get_soil_water() now output separate values for control/stress treatment
get_drought_stress_days() now handles control/stress treatment separately
adapted main() and cli output for irrigation control/stress treatment values
climax batch interface: handle control/stress treatment separately
updated ipython notebook for experiments
added new make directive "install-ubuntu"
added input test file that checks all trials