[IZPACK-1096] Allow panel validators to be conditional
Merge pull request #203 from rkrell/IZPACK-1096

[IZPACK-1096] Allow panel validators to be conditional
[IZPACK-1093] SummaryPanel shows content of skipped and not relevant panels (post-fix: panel condition did override createForPack constraint)
Merge pull request #204 from rkrell/IZPACK-1093

[IZPACK-1093] SummaryPanel shows content of skipped and not relevant panels
[IZPACK-1099] Refactor automated installations as it is (for Swing installers, but more universal)
[IZPACK-1097] Analyze and clean up dependencies
Merge pull request #206 from rkrell/IZPACK-1097

[IZPACK-1097] Analyze and clean up dependencies
Merge pull request #207 from rkrell/IZPACK-1099

[IZPACK-1099] Refactor automated installations as it is (for Swing installers, but more universal)
[IZPACK-1099] Refactor automated installations as it is (for Swing installers, but more universal) - post-fix, do not require internal indexes in auto-install.xml records
Merge pull request #208 from rkrell/IZPACK-1099

[IZPACK-1099] Refactor automated installations as it is (for Swing installers, but more universal)