Grab upstream nodejs for RHEL6

RHEL6 has no nodejs in main packages or in EPEL.  The easiest way is
to just install the upstream binary version which works fine for the
very minimal usage by lesscss.

Change-Id: Ia35e7dbaf4c7add43797d6b7d0c846bab1cf0cb0
lib/database: Fixed a bug in database_connection_url

The changes from https://review.openstack.org/#/c/23364/ simplified
the usage of database_connection_url_mysql and
database_connection_url_postgresql without making the proper changes
to database_connection_url.

Fixes: bug #1167668
Signed-off-by: Tal Kain <tal.kain@ravellosystems.com>
Change-Id: I5115d123ad794f2eb2e144b76932031af5248f26
Merge "Grab upstream nodejs for RHEL6"
Merge "lib/database: Fixed a bug in database_connection_url"