s02-us38: added TagMapping.java and new DatabaseAdapter.java
s02-us38: code ready, now preparing for debugging
s02-us38: It finally works! I added the mapping_tabs and tabs table into
the database and performed some tests on the data that has been inserted
into the tables. It seems ok.
The database has the 2 tables: mapping_tags and tags. I have tested what has been inserted. It seems ok
s02-us38: removed a non-necessary function
s02-us39: push another user story to the same branch for test
s02-us38: commit for test. I cannot do it
s02-us39 and us01: the database is up-to-date and the User Stories 39
and 01 are tested
s02-us38,39,01: added tests to the mainActivity (GetRelatedTags button)
us02-us39:fixed a minor bug
s02-us38,39,02: fixed another small bug
solved conflicts when pulling