LDEV-4221 Introducing source code for lti-utils-java project. Committing it altogether with pom.xml as we might need to modify the code and re-create the jar file we use then
LDEV-3665: Use Java 8 time API instead of Joda library in LAMS core. Use Joda time library shipped with Wildfly for lams_saml project, which needs it for OpenSaml 2.6 library.