Add small intro to index page.
Add logo & favicon.
Merge branch 'master' into docs
Update copy & fix some grammar.
Replace Flask logo with scroll.
Merge pull request #347 from petrus-jvrensburg/docs

Docs
Add copy to 'templates' page in docs.
Better handling of logo.
Upades to 'templates' page.
Merge pull request #350 from petrus-jvrensburg/docs

More updates to Docs
update Simplified Chinese translations
Merge pull request #351 from muzuiget/master

Update Simplified Chinese translations
Fixed Python 3.3 compatibility when submitting inline model
Updates to 'localization' page.
Update 'usage tips' page.
Some minor fixes to the README.
Merge pull request #352 from petrus-jvrensburg/docs

More updates to Docs.
Merge branch 'master' into docs
Updates to 'Database backends' page.
Updates to 'Form rules' page.