Fixed Travis build errors

Author: oheim

.travis.yml

@@ -28,7 +28,6 @@ before_script:
 
 script:
  - make -C viewer/build
- - make -C client-api/Octave
  - if [ $TRAVIS_OS_NAME == linux ]; then make -C client-api/Octave install; fi
 
 after_success:

client-api/Octave/Makefile

@@ -43,8 +43,8 @@ $(RELEASE_TARBALL): ../../.git/index
 	@# The C++ API must be bundled
 	@(cd ../C++/; git archive --output="$(shell pwd)/$(PACKAGE)-deps.tar" --prefix="$(PACKAGE)-$(VERSION)/" HEAD src)
 	@tar --concatenate --file="$(PACKAGE)-$(VERSION).tar" "$(PACKAGE)-deps.tar"
-	@$(GZIP) --best -f -k "$(PACKAGE)-$(VERSION).tar"
-	@rm "$(PACKAGE)-$(VERSION).tar" "$(PACKAGE)-deps.tar"
+	@$(GZIP) --best -f "$(PACKAGE)-$(VERSION).tar"
+	@rm -f "$(PACKAGE)-$(VERSION).tar" "$(PACKAGE)-deps.tar"
 
 ##
 ## Local Install Process