Created a new sql file 'updade_1.sql' to delete all the tacks that are within a board when the board is deleted. 2. Create, Retrieve (Display), Update, Detele for Category as expected. 3. Create, Retrieve (Display), Update, Delete for Board as expected. 4. Create, Retrieve (Display), Update, Delete for Tack as expected.
Excluded 'Choose a board' from Tack's form. Added image and tack url to the displaying page.
1. Added initial data for Category in WebDB_Script.sql. 2. Modified board controller. 3. Modified board view to display boards as thumbnails.
Added Database/evolutions/ directory to store all database evolutions that
will occur during development.

	ev1.sql: changes tbl_tack::tackURL to tbl_tack::tackContent
Intermediate checkin: basic tack functionality in-place.
Build PHPUnit tests
Build PHPUnit Tests
Login, create new user form, password recovery, change password update
Finished merging Kosta's stuff