Added .hgignore file
Added .hgignore file

--HG--
branch : dev_ignore

jenkinsci/pretested-integration-plugin,Praqma/pretested-integration-plugin,Praqma/pretested-integration-plugin,jenkinsci/pretested-integration-plugin,jenkinsci/pretested-integration-plugin,jenkinsci/pretested-integration-plugin,Praqma/pretested-integration-plugin,Praqma/pretested-integration-plugin