data: auto negotiate OTR and resend requests on OTR activated

still issue with auto negotiate
data: make offers retry after OTR negotiation

fixes #2035
fix bug that forced SSL when TLS is optional

fixes #2215
forgot to actually set the SSL context
clean up of drawables for better menus, cleaner look
solid color background now; removing crazy colors for now
move file sharing, profile, end chat to actionbar menu
fix emoji selector to have titles for each area
updates resources and layouts for UI improvements
support per message delivery and encryption icons
ensure broadcast is not called more than once at a time
this can cause a crash
improve flexibility for display in actionbar
support text/list mode again
not used anymore
move functions to actionbar whenever possible
fixes account/provider status on AccountList screen
allow background image to set on the lockscreen
update menu item groups for dynamic changes
change actionbar menus for proper encryption state
display the presence status text if no custom one is set
handle dynamic changes of actionbar menu items