Resolution of the problems regarding IndexedDB

1. The data loading is for the first stable. We met a lot of problems
due to the asynchronous side of IndexedDB.

2. Display three page (home page included) in order to show the program
tv in terms of :
- a desired moment
- a desired channel

3. Regarding the css, we have choose to remake totally the design in
order to stop using our old template because we met lot of problems
when we wanted to change or to add some personal elements.