partial fixing PageType -> NameSpace
NameSpace change finished
Redirect check
Ensemble similarity
Ensemble trainable mostSimilar
Merge remote-tracking branch 'upstream/master' into sr2

Conflicts:
	wikAPIdia-core/src/main/resources/reference.conf
	wikAPIdia-sr/src/main/java/org/wikapidia/sr/BaseLocalSRMetric.java
Merged with head.
Merge remote-tracking branch 'origin/master' into sr2

Conflicts:
	wikAPIdia-parser/src/main/java/org/wikapidia/parser/xml/PageXmlParser.java
Fixes to match upstream changes
Tweaks to wikapidia