reworked roster/contact handling. might break some stuff. not sycing to disk yet
some code cleanup to deal with the roster mgmt changes from earlier
Merge branch 'development' of https://github.com/siacs/Conversations into development
made roster persistant aka enabled versioning again
Merge branch 'development' of https://github.com/siacs/Conversations into development
added search icon
ported pending subscription support to new roster mgmt
fixed ping time out after session resume
highlight people in conferences by clicken on their picture
Merge pull request #128 from kruks23/development

Update Spanish Translations
Merge branch 'development' of https://github.com/siacs/Conversations into development
Update Spanish Translations + harcoded just_now