add Carneades to the nix environment and Makefile
rename tomcat log file to tomcat.log
add support for the carneades properties
force the creation of tomcat/webapps if not present
Merge branch 'feature-integration-carneades' of github.com:pallix/policycompass into pallix-feature-integration-carneades
change $(shell pwd) to $(CURDIR)
Merge slomo changes, fix PATH problem
Merge pull request #8 from pallix/feature-integration-carneades

add Carneades to the nix environment and Makefile