fixed npe for otr sessions with non contacts
reworked message to conferences
Merge branch 'development' of https://github.com/siacs/Conversations into development
Merge pull request #120 from kruks23/development

Update Spanish Translations + harcoded pref_advanced_options
fixed #113
permanent notification disapears now when account is being deleted + code clean up
version bump to 0.2.2
added translators to readme
fixed #108
spelling
fixed #66
Update Validator.java
Merge branch 'development' of https://github.com/siacs/Conversations into development
updated changelog for version 0.2.2
Merge branch 'master' into development
receiving pgp images important bug fix
made sending session more compliant
added record audio button
receiving pgp images important bug fix
bumped version 0.2.3