rename die demos in exmaples

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rename : demos/ajax-bulk.html => examples/ajax-bulk.html
rename : demos/ajax-jquery.html => examples/ajax-jquery.html
rename : demos/ajax.html => examples/ajax.html
rename : demos/cities15000.json => examples/cities15000.json
rename : demos/cloudmade.html => examples/cloudmade.html
rename : demos/custom-tip.html => examples/custom-tip.html
rename : demos/google-geocoding.html => examples/google-geocoding.html
rename : demos/index.html => examples/index.html
rename : demos/jsonp-filtered.html => examples/jsonp-filtered.html
rename : demos/jsonp.html => examples/jsonp.html
rename : demos/mobile.css => examples/mobile.css
rename : demos/mobile.html => examples/mobile.html
rename : demos/nominatim.html => examples/nominatim.html
rename : demos/search.php => examples/search.php
rename : demos/simple.html => examples/simple.html
rename : demos/twitter.html => examples/twitter.html
rename : demos/us-states.js => examples/us-states.js
rename : demos/vector.html => examples/vector.html
added licence file
update packe.json

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rename : LICENCE.txt => LICENSE.txt