Add NERD dev key into the gerbil.properties file
Merge branch 'master' of github.com:AKSW/gerbil

Conflicts:
	src/main/resources/gerbil.properties
add the nerd4java client
add NERD Annotator to GERBIL
use of ProblemReduction to transform the Sa2W to D2W annotation
implement test for the NERD adapter
add NERD API property to the property file
update NERD annotator, and make it resilient to long texts
Adds FOX binding.
Fox implementation of the A2WSystem interface.
Merge branch 'master' of github.com:AKSW/gerbil
Update .gitignore
FOX fix, add all entities.
Merge branch 'master' of github.com:AKSW/gerbil
Added an empty gerbil_keys.properties

refers to #29
Created a better solution for the gerbil_keys.properties problem. The start.sh creates an empty file if it doesn't exist. This prevents git from trying to upload the file if it is added to the .gitignore file.
Sorry, in my last commit some lines of the start.sh were commented out. I Fixed this.
Fixed an error inisde the MatchingFactory causing problems with C2W experiments. Refers to issue #30.
Added a better error handling to the NERDAnnotatorConfig.
Checked the NERD annotator and made some minor changes. Moved the key property into the gerbilkeys.properties file. However, I couldn't test the annotator without a key.