added eclipse project files to .gitignore | migrated mappings.json to…

… ES 2.2.0 including the language specific, ngram-relevant fields 'e.g. en, it' | added jarhell fixes from karussell in issue #217, truncating the mock stuff which is only necessary in maven test scope. Tests are running, so this is safe | Added flag to ignore java 7 'broken javaDoc means compile error' behaviour | remove the index after each test case in order to be able to run the test suite (this was left at  issue #217). This comprises modifications in ESBaseTester and TagFilterQueryBuilderSearchTest

.gitignore

@@ -11,3 +11,7 @@ __pycache__
 nb-configuration.xml
 
 nbactions.xml
+
+.classpath
+.project
+.settings/