iLocal File System Harvester and batch import / Improvements

Batch import:
* Add recurse option (like in LFS harvester)

Local file system harvester:
* Add option to check on file date to update or not the catalog record
* Replace System.out by log
* Fix harvester report which was not saved and displayed
* Also import file with upper case extension
Merge remote-tracking branch 'upstream/develop' into improvement/import-recursive

Conflicts:
	web/src/main/webapp/loc/eng/xml/strings.xml
	web/src/main/webapp/loc/fin/xml/strings.xml
	web/src/main/webapp/loc/fre/xml/strings.xml
	web/src/main/webapp/loc/ger/xml/strings.xml
	web/src/main/webapp/loc/ita/xml/harvesting.xml
	web/src/main/webapp/loc/ita/xml/strings.xml
	web/src/main/webapp/loc/nor/xml/strings.xml
	web/src/main/webapp/loc/pol/xml/strings.xml
	web/src/main/webapp/loc/por/xml/strings.xml
	web/src/main/webapp/loc/rus/xml/strings.xml
	web/src/main/webapp/loc/tur/xml/harvesting.xml
	web/src/main/webapp/loc/tur/xml/strings.xml
Merge pull request #141 from fxprunayre/improvement/import-recursive

Local File System Harvester and batch import / Improvements