Fix IRC-URL in Contributing.md
Merge pull request #242 from owncloud/fix-url

Fix URL
fix reply handling
disable cache
prevent php warning
Merge pull request #247 from owncloud/disable-cache

Disable cache
Merge pull request #248 from owncloud/fix-reply

fix reply handling
add 0.1 note to readme and link issue tracker
fix save attachments
set min width for save attachment button
fix save attachments
fix storing of attachments