import equations from csv. added variable names extraction
equations import , added list page
Merge branch 'master' of github.com:openforis/calc into iefixes
equation import completed
started updating step edit form to add ext equations. step-edit-manager refactored
equation type converter completed. to test
Merge branch 'master' of github.com:openforis/calc into iefixes
CALC-298 - Test with IE 9 and 10