Changed env variable to keep track of build id

.travis.yml

@@ -1,6 +1,6 @@
-language: java
-
-jdk:
-  - oraclejdk8
-
-script: ant -f Kernal64/build/build.xml
+language: java
+
+jdk:
+  - oraclejdk8
+
+script: ant -DBUILD_NUMBER=$TRAVIS_BUILD_NUMBER -f Kernal64/build/build.xml

Kernal64/build/build.xml

@@ -15,14 +15,14 @@
 		</not>
 	</condition>
 
-	<!-- label is set only if ant is executed by Drone CI -->
- 	<condition property="DRONE_BUILD_NUMBER" value="?">
+	<!-- label is set only if ant is executed by CI -->
+ 	<condition property="BUILD_NUMBER" value="?">
 		<not>
-			<isset property="DRONE_BUILD_NUMBER"/>
+			<isset property="BUILD_NUMBER"/>
 		</not>
 	</condition>
 
-	<property name="version" value="${VERSION} b${DRONE_BUILD_NUMBER}"/>
+	<property name="version" value="${VERSION} b${BUILD_NUMBER}"/>
 
 	<target name="scala-init">
 		<property name="scala-library.jar" value="${lib.dir}/scala-library.jar" />