Merge branch 'pr/162'
update nodejs client docs
move cordova guides to separate section
added documentation for cordova plugins
removed unnecessary <br>
fixed numbers
fixer links of moved guides
moved some docs to cordova section and added links that where in cordova to docs
initial roadmap cordova
Changed into 'normal' link
Merge branch 'pr/155'

closes #155
remove reference to controller demo
added blogs to news section
way nicer way with template template is in separate file because of markdown also handling {{ and }}
changed to use content instead of description
Adding UP Server 0.8.1 download URL
Adding SP 0.8.1 download URL
Adding SP 0.8.1 download URL
Adding UP Server 0.8.1 download URL
escape test