update of event information
(event Qt 勉強会 #8 @Tokyo)
Merge pull request #11 from sazus/20140205_spike_update

update of event information
Update download.html
Update release info
Oops
Update index.html

Add description of supporting of Android and iOS.
Add support of Android ans iOd
Remove explanation of IRC and Forums
Remove IRC and Forums
Update event info
Update download.html
Add link
Update download.html
Change link text
Fix links
Add the link of forum #9
Change the link title
Remove contact
http://qt-users.jp/pipermail/qt-users/2014-March/000186.html
Improve description
Forget removing the link