Minor changes before full refactor
java files modified to call getInstitutionAcronym function from Unit class
jsp files modified to pass Institute Acronym as argumen; 'IST ID' replaced with 'Username'
. properties files modified to parameterize IST
BugFix: titleKey="link.title.careerWorkshop"
java files modified to call getInstitutionName function from Unit class
jsp files modified to pass Institute Name as argument
Refactor of *.properties files
Bug fix: replacement of net.sourceforge.fenixedu.domain.FenixFramework for pt.ist.fenixframework.FenixFramework
Refactored ocurrences of IST and Instituto Superior Técnico on java and jsp files.
BugFix: calls to Unit.getInstitutionAcronym() removed when static variable is initialized.
Changes to avoid the use of resource files
Merge pull request #101 from cbartol/feature/clean-ist-references

Remove most references of IST and Instituto Superior Técnico