Merge pull request #1 from nuest/master

changed license and updated dependencies
Create README.md
Merge pull request #9 from nuest/moh-yakoub-master

Merge nuest's and Moh-Yakoub's developments of the last weeks
merge fix
Fix swagger api url
Adding developer documentation link in navbar
Adding search plugin
Adding SIR search plugin doc + adding link
Adding api link to navbar
Add api link to navbar\
Adding api loading indicator image
Merge branch 'moh-yakoub-master', remote-tracking branch 'moh-yakoub/master' into moh-yakoub-master
Adding suggestion link in OpenSearchDescriptionDocument
HTML validating search index
HTML validating search index
HTML validation of remote server + harvest script pages
Adding developers page as static html
Adding opensensorsearch header at api page
Adding isAdmin isValid to user model
Adding isAdmin isValid dao methods