fix scala md5 for new IJ update
fix scala md5 for new IJ update

changed IJ version and build number

Testing Done:
https://travis-ci.org/ebubae/intellij-pants-plugin/builds/144541248

Bugs closed: 185

Reviewed at https://rbcommons.com/s/twitter/r/4077/

pantsbuild/intellij-pants-plugin,pantsbuild/intellij-pants-plugin,wisechengyi/intellij-pants-plugin,pantsbuild/intellij-pants-plugin,wisechengyi/intellij-pants-plugin,pantsbuild/intellij-pants-plugin,pantsbuild/intellij-pants-plugin,wisechengyi/intellij-pants-plugin,wisechengyi/intellij-pants-plugin