Cleanups after review
Columns-based CSV engine configuration
refactored, now we have concrete classes and abstract LinkerAdapter
Merge branch 'issue-fus28' of github.com:sindicetech/fusepool-linker into issue-fus28

Conflicts:
	fusepool-adapter/src/main/java/com/sindice/fusepooladapter/LinkerAdapter.java
removed unused class
Improved temporary directory structure
Test and other cleanups
Implemented GenericLinkerAdapter, removed ConfigurableLinkerAdapter
Merge branch 'issue-fus28' of github.com:sindicetech/fusepool-linker into issue-fus28
cleaned a bit tests
Fixed a test
Debugging adapter
Added test for reduplication using sparql endpoint
Merge branch 'issue-fus28' of github.com:sindicetech/fusepool-linker into issue-fus28

Conflicts:
	fusepool-adapter/src/main/java/com/sindice/fusepooladapter/LinkerAdapter.java
Added 2 tests (deduplication, interlinking )for sparql endpoint
Added a bit of javadoc
committing missing file
DebuggingLinkerAdapter improvements and JavaDocs
Update after review
Merge pull request #5 from sindicetech/issue-fus28

Issue fus28