allow accessing of plugin classes via PluginManager
removed core dependency from publish-s3
fixed link to crowdin in readme
Merge pull request #94 from webvariants/master

fixed link to crowdin in readme
do not use the mysql extension in the check_server script
replaced ext-mysql with PDO in the session handler
removed last trace of mysql_*
we want to check for a successful query, not for a pointless row count
fixed XSS vulnerability

Thank god the username is truncated, which kills most of the useful stuff you could do.
Also, fixed one unrelated HTML error.
fixed delete-account button
minor improvements for the account settings
do not send email activation mails when the email address has not been altered
Merge pull request #98 from webvariants/account-settings

improved account settings
Merge pull request #96 from webvariants/master

fixed XSS vulnerability
Merge pull request #95 from webvariants/no-mysql-ext

removed usage of deprecated mysql extension