Frankfurt (Reuters) – The parties involved in a wage dispute for security staff at several airports across Germany have reached a deal following strikes that led to the cancellation of hundreds of flights to and from the country in the past two weeks. Labour union Verdi and the BDLS association of aviation safety companies said on Monday that a comprehensive collective agreement had been reached. “With this collective bargaining agreement, wage conditions in the aviation security industry and work can be made more attractive, despite unfavourable working hours and numerous operational problems…