JDK 15 support + (bug fixes and performance improvements)

Layout bug causes layout calculations for every animation pulse.

Cache for NodeLookup

v0.2.4.4

Use older distro to get jdk8 support on travis

v0.2.4.3

Connection path improvements by @cbvms123 and SoftQuadrat.

v0.2.4.2: Merge pull request #53 from TCMBoby/master

general improvements

v0.2.4.1

Minor bug fixes.

Improved Connector Layout + Many Fixes

Features:

• Connector Auto-Layout supports top-down as preferred layout
• custom connector repositioning relative to auto-layout (via translateX and Y)

Bug fixes:
-layout bugs fixed (discovered via screenshots for my PhD thesis)

v0.2.3: Automatic Layout

Changes:

• automatic-layout support (see issue #34) as incubating feature (uses JUNG library). (by @TCMBoby)
• minor API changes that simply custom skin creation and reduce code redundancy (by @aalmiray)

v0.2.2

Update version-info.gradle

v0.2.1

Update publishing.gradle

v0.2

bintray publication should work now