travis-javadoc.sh: chain echo commands

Otherwise, the echo commands break the chain.

Author: ctrueden

travis-javadoc.sh

@@ -77,8 +77,8 @@ EOL
 	mvn -B -q dependency:tree &&
 	mvn -B dependency:tree &&
 
-	echo
-	echo "== Generating javadoc =="
+	echo &&
+	echo "== Generating javadoc ==" &&
 
 	# Build the javadocs.
 	(mvn -B -q -Pbuild-javadoc) &
@@ -87,8 +87,8 @@ EOL
 	# Strip out date stamps, to avoid spurious changes being committed.
 	sed -i'' -e '/\(<!-- Generated by javadoc \|<meta name="date" \)/d' $(find target/apidocs -name '*.html') &&
 
-	echo
-	echo "== Configuring environment =="
+	echo &&
+	echo "== Configuring environment ==" &&
 
 	# Configure SSH. The file .travis/javadoc.scijava.org.enc must contain
 	# an encrypted private RSA key for communicating with the git remote.
@@ -100,8 +100,8 @@ EOL
 	git config --global user.email "travis@travis-ci.com" &&
 	git config --global user.name "Travis CI" &&
 
-	echo
-	echo "== Updating javadoc.scijava.org repository =="
+	echo &&
+	echo "== Updating javadoc.scijava.org repository ==" &&
 
 	# Clone the javadoc.scijava.org repository.
 	git clone --quiet --depth 1 git@github.com:scijava/javadoc.scijava.org > /dev/null &&