add gradle wrapper (fix #196)
fix version in installer readme file
fix bug #195
  - since we are using 4.3.4 of izpack we have to use different way how to refer dll files in the install.xml
fix opening of local files - fixes #55
add portable startup scripts
add portable startup scripts (fixes #131)
Merge branch '2.1.3' of github.com:CompendiumNG/CompendiumNG into 2.1.3
Merge branch '2.1.3' into 2.1.4

Conflicts:
	application/src/main/resources/installer_readme.html