Do not use 'echo -e' unnecessarily

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Use subdirectory in build/ for temporary gh-pages checkout

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Fix Travis' automatic javadoc update

The script used the wrong directory to copy the JavaDocs from.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Merge pull request #106 from dscho/fix-travis-javadoc

Fix travis javadoc