Merge tag 'v2.5.5'

v2.5.5
package: correct link to license

e64c20562a changed the license file from LICENSE to LICENSE.md
Upgrade to loopback-workspace@2.5.0 to pick up loopback@1.9.x
Merge pull request #143 from strongloop/feature/lb-1.9.0

Upgrade to loopback-workspace@2.5.0 to pick up loopback@1.9.x
v2.5.6
Merge branch 'release/2.5.6' into production