#200 - added command "delete server log"

...ker8/budgetmasterclient/ui/commandLine/CommandBundle.java

...etmasterclient/ui/commandLine/commands/CommandDelete.java

...dlocker8/budgetmasterclient/ui/controller/Controller.java

...de/deadlocker8/budgetmaster/ui/commandLine/_en.properties

...budgetmaster/logic/serverconnection/ServerConnection.java

...de/deadlocker8/budgetmasterserver/server/SparkServer.java

.../deadlocker8/budgetmasterserver/server/log/LogDelete.java