Revert "wip"

This reverts commit 452289d5aa8991d58204df0de9d795a5ad06a064.
Revert "update version number"

This reverts commit de1aa88133aa5764b3fb295dc9791eb7bc32541b.
Revert "need to tick export antlr dependency in PealParser imports in project setting"

This reverts commit f86392574d0b7ef6383336cc9a7998c03cd14123.
Revert "upgraded scala version"

This reverts commit e541a04332206c0599794ee8f6c176fa746729b2.
Revert "updated build.sbt, still need to update scala version, jetty version, lift version and Start.scala"

This reverts commit e9d1869d44e7df26a635fd1f5d57a4d8bc82f4ba.
put back to last known good state