0.10 voice call feature, translation additions and bugfixes

This release adds single bigger function and that is voice call between nodes. Second new feature is support for URI support now also externally. This means it is possible to reference objects inside classified ads from external sources with URI and have classified ads to handle them. For example operator profile may be referenced with URI caprofile://6AC2D159AB3A0B0F241DD6D12E4A1673588DD0E8 from a html document or other source. In addition to that only minor changes have been implemented, mostly related to translations and networking code. Big thanks for all contributors and translators.