#97 errorView refactored in GroupViewList
#97 errorView refactored in search panel
#97 errorMessageView renamed to errorNotificationView
#98 infoNotification view implemented for group view list
#98 infoNotification view implemented for groups search view
layout subviews added to error message
#99 Message feed is hidden on read conversation error
#95 If the search panel in contacts is opened and the user presses esc key the search panel will be closed