ticket:4 make ticket run

add selenium 'implicitly_wait' call
rename test names
add debug logging messages
ticket:4 make ticket run

add debug message
ticket:4 make ticket run

prepare url strings at test beginning
ticket:4 test for pagination after filtering
ticket:4 custom filtering functions

added variable '$scope.filteredContacts' to store result of filtering
added function '$scope.applyFilters' what doing actual filtering of contacts on any filters change
added function '$scope.searchFilter' what doing filtering of contacts by search string in specific fields
Merge branch 't4_contact'

Conflicts:
	django_angular_backend/app/test/front_end.py