Defined the register, login and add comment functionality of the issueTrackerService JS module
Merge conflict of issueTrackerService.js
Fully implemented register functionality as a RESTful service, separated the JS code from the JSP page
Renamed view an issue and view all issues JSP pages, moved JS code that handled addition of comments in a separate file.
Added JsonIgnore annotation for passwordHash field from User Entity
Removed unused function from issueTrackerService and reformated the issueValidator.js file
Refactored addition of comments controller, service and entity: fixed typo, the addition method now needs an issue id, not the entity itself
Modified tiles defitions to include the newly renamed and refactored view issues jsps
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/internship/issuetracker/controller/RegisterController.java
	src/main/webapp/WEB-INF/views/main/layout.jsp
	src/main/webapp/resources/js/issueTrackerService.js
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/internship/issuetracker/controller/RegisterController.java
	src/main/webapp/WEB-INF/views/main/layout.jsp
	src/main/webapp/resources/js/issueTrackerService.js