pushed the project's source code (author's + 3rd party's)
Revert "pushed the project's source code (author's + 3rd party's)"

This reverts commit d680063c0f10659cbbd9577f06360a266bc6b1ab.
Revert "Revert "pushed the project's source code (author's + 3rd party's)""

This reverts commit 92a756551ea7298b833006db2f47e6903d1049e0.
removed core plot 1.4 source code