added translation new strings
Updated pot file, remove some strings for translate
find . -type f \( -name "*.vala" -o -name "*.ui" \) | xargs xgettext -k_ -kN_ -o Venom.pot
for i in *.po; do msgmerge -vU $i Venom.pot;done

update Russian language
New strings to translate in file AddContactDialog
rebuild pot and po files
new fixes in Russian language
auto .po msgmerge
Merge branch 'x-nicon-newruslangstrings' into av