Metadata extractor working alone
extractorapp- the metadata extractor has been integrated
shorter field name to avoid null pointer exception in bbox
removing dead code, checking the metadata document
Merge remote-tracking branch 'georchestra/master' into ship-metadata-in-extracted-zip

Conflicts:
	extractorapp/src/main/java/org/georchestra/extractorapp/ws/extractor/BBoxWriter.java
	extractorapp/src/main/java/org/georchestra/extractorapp/ws/extractor/OGRFeatureWriter.java
Merge remote-tracking branch 'georchestra/master' into ship-metadata-in-extracted-zip
extractorapp - delete URLs to bmo.openstreetmap.org that does not respond
extractorapp - add metadata extraction in client-side extractorapp

* only works for layers listed WMS 1.3.0 GetCapabilities
 ie. no support for WMS 1.1.0, WFS, nor WCS
* created a branch of template config to test with some layers
  * reg22:lycees_adresses - extraction of metadata (ISO19115:2003 type and text/xml format)
  * sernap:APs_regionales - extraction of metadata (ISO19115:2003 type and text/xml format)
  * sernap:APs_municipales - no extraction (FGDC type and text/plain format)
  * reg22:Pays_2013_BYcplet_FLA10 - no extraction (no metadata in GetCapabilities)
extractorapp - JS corrections + update isUrl from mapfishapp + use master in template
extractorapp - test URL strictly
extractorapp - update README with metadata extraction instructions
extractorapp - update README
extractorapp - update README
Merge pull request #201 from georchestra/ship-metadata-in-extracted-zip

Ship metadata XML in extracted zip