Launch4j 3.8 released

Launch4j is a cross-platform Java executable wrapper for creating lightweight Windows native EXEs. It provides advanced JRE search, application startup configuration and better user experience.

Changes in version 3.8 (09-05-2015)
* FR #59 Mavenized launch4j (thanks to taxone, Paul Jungwirth, Lukasz Lenart).
* Ticket #139 Sign4j compiles and works on Linux (Tim Angus).