Merge pull request #111 from marcovala/master

[SPARKL-34] - Fixed marketplace.xml
 'New version of plugin metadata'
 'New version of plugin metadata'
 'New version of plugin metadata'
 'New version of plugin metadata'
 'New version of plugin metadata'
 'New version of plugin metadata'
 'New version of plugin metadata'
 'New version of plugin metadata'
 'New version of plugin metadata'
 'New version of plugin metadata'
 'New version of plugin metadata'