Update index.html

Have added Idea 3. It is all about developing Educational applications for Firefox OS. These applications will be helpful for kids and these are basic applications which should be available in each and every phone.
updated

Changes made
Update index.html
Update index.html
Update index.html
Update index.html
Merge pull request #5 from viswaprasath/gh-pages

Viswaprasath Added idea 3: Firefox OS default apps
Merge pull request #6 from sudheesh001/gh-pages

Fixed Typo error
Add improvements to build system
Merge pull request #7 from Manishearth/patch-1

Idea added: inotify/watchman daemon for mach
Forgot to modify the collapses
Merge pull request #8 from Manishearth/patch-2

Element ID changed to fix accordion-collapse
Linebreaks
Merge pull request #9 from Manishearth/patch-3

Linebreaks, duh!
Repository cleanup.
Added the Mozilla India Logo and fixed header width.
Fixed logo file size.
Merge pull request #10 from sayak-sarkar/gh-pages

Repository (hard) cleanup, with unnecessary files removed