[REFACTOR] Renamed NewEntryFragment into EntryFragment. Removed obsolete
EntryFragment and dispatch methods from MainActivity for buttons.
[ADD] Added new dialogs to edit title and description of entry.
[COMMENT] Added task to append new record to list, but avoid duplication
due to synchronization with database.
[UI] Multiline description and page-proofs in dialogs.
[UI] New button to clear description.
[UI] Various page-proofs.