Update databases.html

added projects
Update databases.html
Merge pull request #29 from ams-bjones/master

updating a few things
Update databases.html

Katy Perry and Elmo Explain Boolean
Update databases.html
Merge pull request #31 from ams-bjones/master

Update databases.html
Update u2.html

Added selection sort video
Update u2.html

removed flow charts from activities 3 and 4
Update u2.html

added merge sort video
Merge pull request #32 from ams-bjones/master

update to GCSE computing course
Update u2.html

added bubble sort video
Added Markscheme
Merge pull request #33 from ams-bjones/master

Added Markscheme
Update index.html

Maths units linked
Merge pull request #34 from ams-bjones/master

Update index.html
update order
Merge pull request #35 from ams-bjones/master

added templates fro web design units
adding gcsecomputing u3, and web design units'
update order
 fixed index