Add prefix/suffix handling in PropertyMapping
Add prefix/suffix: trim template value and encode external URL
Merge branch 'master' into feature/prefix_in_propertymapping

Conflicts:
	core/src/main/scala/org/dbpedia/extraction/dataparser/ObjectParser.scala
	wiktionary/config
Started work on a GalleryExtractor.
Merge pull request #30 from gaurav/feature/unwrapped-self-template

Support "unwrapping" templates like {{self}}
GalleryExtractor can now extract entire lines and create links.
Updated GalleryExtractor to support line numbers and matching filenames (issue #26).
Updated GalleryExtractor to use dbo:hasGalleryItem and updated ontology to include them.
Improved documentation and warnings.
Added GalleryExtractor to the Commons default extractors.
Fixed property in documentation.
Fixed property in documentation, updated destination, cleaned up code.
Merge branch 'feature/galleryextractor' of github.com:gaurav/extraction-framework into feature/galleryextractor
Merge pull request #33 from gaurav/feature/galleryextractor

Gallery Extractor: links galleries to the file used
make ConstantMapping work with custom URIs
Needed to provide licence information in commons as in gaurav/extraction-framework#7
try with URI, handles more cases
Disable validation for DOLCE namespaces
Fix for DBpedia classes not shown on overview page
Created a simple FileTypeExtractor that reports the file extension.
Changed file extensions to lowercase.