[release] new version commit:  'v0.0.19'.
[release] new version commit:  'v0.0.19'.

cdietrich/xtext-languageserver-example,itemis/xtext-languageserver-example,itemis/xtext-languageserver-example,cdietrich/xtext-languageserver-example,cdietrich/xtext-languageserver-example,cdietrich/xtext-languageserver-example,itemis/xtext-languageserver-example,itemis/xtext-languageserver-example