set 1.8.1 version.
set 1.8.1 version.

sharwell/intellij-plugin-v4,Maccimo/intellij-plugin-v4,bjansen/intellij-plugin-v4,antlr/intellij-plugin-v4,parrt/intellij-plugin-v4,bjansen/intellij-plugin-v4,consulo/consulo-antlr4,parrt/intellij-plugin-v4,Maccimo/intellij-plugin-v4,antlr/intellij-plugin-v4