AF-1799: Upgrade JDK 11 + GWT 2.9 (#134)
AF-1799: Upgrade JDK 11 + GWT 2.9 (#134)

* AF-1799: Upgrade JDK 11 + GWT 2.9

* AF-1799: Upgrade source/target versions for maven-compiler-plugin.

* AF-1799: Add maven profiles that activate based on jdk version.

* AF-1799: Fixing maven compiler to 1.8.

Co-authored-by: Tiago Bento <944c9b739d3a10c93cdeb4e471a5bf4d92f4077b@gmail.com>
Josephblt/lienzo-core