Bump version to 1.8.1
Fixes NPE when deadly adjectives is empty

For example with russian translation
Correct spelling and grammar

* Fix unescaped quotes causing resourcebundle message breakage.
* Fix verb tense of 'loses'
* Fix spelling of 'monument'

Closes #761
Merge branch 'hotfix/1.8.1' into develop

Conflicts:
	war/pom.xml
	war/src/main/resources/plugin.yml