untracked files fix
Merge branch 'master' of https://github.com/janmilinds/VaadinExcercise into RamiBranch
Date and Time is possible to edit.
Pop-Up window is closed after save and delete of entry.
Entry ID is used as a key when storing. Allows to store entries with same title.
.gitignore updated with folder appengine-generated
Issues #6 and #7 corrected.
UI Layout changes to Entry Screen.
Fixed Issue #2: calendar not closing after adding event.
Fixed Issue #5: Details can't be edited.
Fixed issue #10: Unable to remove details
Added save button for entry details to save changes
Fixed issue #8: Slider in EntryScreen does not immediately change icon.  Removed the group selector; it is redundant and caused programming difficulties with saving the detail.