openjdk8-fedora: Allow symlinks

We need to allow symlinks to avoid multiple copies of rt.jar.

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>
ruby: update latest version

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>
ruby-publify: add automated browser test using Selenium

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>
node-socketio-example: add basic functionality test

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>
ruby-rails-example: fix build error when ruby_executable_hooks enabled

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>
ruby-publify: fix build error when ruby_executable_hooks enabled

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>
node-socketio-example: add automated browser test using Selenium

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>
ruby-rails-example: install gems to system default directory

--env=GEM_HOME doesn't work on the image built with capstan, so install gems to system default directory instead.

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>
Merge remote-tracking branch 'upstream/master'