reworked vagrantExport taks (created zip file now contains a date in the filename)

build.gradle

@@ -16,6 +16,12 @@ version = '1.1-SNAPSHOT'
 
 description = 'Isochrones'
 
+def getDate() {
+    def date = new Date()
+    def formattedDate = date.format('yyyyMMdd')
+    return formattedDate
+}
+
 ext {
 	defaultVersion = '0.3-SNAPSHOT'
 	isRelease = false
@@ -190,7 +196,7 @@ task vagrantExport(type: Zip) {
 	appendix = ''
     baseName = 'vagrantbox'
     classifier = ''
-    version = ''
+    version = getDate()
 
 	filter(FixCrLfFilter)
     filter(ReplaceTokens, tokens: [db_username: 'myUser', db_password: 'myPassword'])