Set correct build version and date

build.gradle

@@ -2,17 +2,18 @@ apply plugin: 'java'
 repositories{
   mavenCentral()
 }
+def releaseVersion = "0.5.4"
+def propertyFile = file "src/main/java/w2phtml/project.properties"
 Properties properties = new Properties()
-properties.load(project.rootProject.file('project.properties').newDataInputStream())
-def releaseVersion = properties.getProperty('ReleaseVersion')
-def getDate() {
-    return new Date().format('yyyyMMddHHmmss')
-}
+propertyFile.withReader { properties.load(it) }
+properties.setProperty('releaseDate', new Date().format('HH:mm:ss dd-MM-YYYY'))
+properties.setProperty('releaseVersion', releaseVersion )
+propertyFile.withWriter { properties.store(it, null) }
 
 sourceCompatibility = 1.8
 jar {
     manifest {
-        attributes("Implementation-Title": "w2phtml",
+        attributes("Implementation-Title": rootProject.name,
                    "Implementation-Version": releaseVersion,
 		   "Main-Class" : "w2phtml.Application",
 		   "Class-Path" : "jasp.jar parser.jar")
@@ -46,7 +47,7 @@ jar {
 }
 task xhtml(type: Jar) {
     manifest {
-        attributes("Implementation-Title": "w2phtml",
+        attributes("Implementation-Title": rootProject.name,
                    "Implementation-Version": releaseVersion,
 		   "Built-By": "litvinovg",
                    "RegistrationClassName" : "org.openoffice.da.comp.writer2xhtml.W2XRegistration",