Eclipse Common Build Infrastructure Maven Plugins 1.1.5

This is a maintenance release.

The most visible changes are the addition of Flatpak packager plugin.

Artifacts are available from https://repo.eclipse.org/content/repositories/cbi-releases and https://repo.eclipse.org/content/repositories/cbi

The documentation is available at https://www.eclipse.org/cbi/maven-plugins/documentation/1.1.5/ (and also available from the aliases https://www.eclipse.org/cbi/maven-plugins/documentation/latest/ and https://www.eclipse.org/cbi/sitedocs/)

Other changes:

• Bug 532722 - Add wall timeout to all plugins doing remote call to web services (jarsigner, dmg-packager, ...). There is no timeout by default. One can configure it by adding <timeoutMillis> in the plugins configurations. 
• Add sigFile option to jarsigner plugin. Users can now specify the filename of the signature block files that will be created by the jarsigner binary on the server. See -sigFile option on the jarsigner documentation page.
• Update Maven plugins to latest versions
• Update Jetty dependency to Jetty to 9.4.8 (for testing)

Fixed bugs:

• Bug 532930 - Existing files are not truncated when overwritten
• Bug 532978 - Remove digest attributes when overwriting signatures