patient case parser implementation

patient cases are parsed.. parser returns list of PatientCase objects
gitignore to prevent commit of class files
entities fixed

improved and fixed the class structure to accomodate storage of codes
for each sentence
entities refactoring
application skeleton implemented
fake test to check skeleton
Merge branch 'master' of
https://github.com/AlessioDeAngelis/WebIntelligence into index

Conflicts:
	.classpath
	src/no/ntnu/tdt4215/group7/MainApplication.java