Missing license for some plugins

[kwizart]

Trying to debug an issue with fedy running in cmdline, I've discovered that few plugins are missing a license field:

license_null for : Eclipse IDE for Java and DSL Developers
license_null for : Eclipse for Parallel Application Developers
license_null for : Eclipse for Scout Developers
license_null for : Eclipse IDE for Java Developers
license_null for : Eclipse for PHP Developers
license_null for : Eclipse IDE for Eclipse Committers 4.4.2
license_null for : Sublime Text 2 (Deprecated)
license_null for : Eclipse IDE for Automotive Software Developers
license_null for : Eclipse IDE for Java EE Developers
license_null for : Eclipse for RCP and RAP Developers
license_null for : Eclipse for Testers
license_null for : PyCharm Community Edition
license_null for : Eclipse IDE for C/C++ Developers
license_null for : Eclipse Modeling Tools
license_null for : Eclipse IDE for Java and Report Developers
license_null for : GNOME developement tools
license_null for : Cleanup junk
license_null for : Disable mouse acceleration
license_null for : Permissive SELinux
license_null for : GRUB2 configuration
license_null for : Touchpad tap
license_null for : Disk I/O Scheduler
license_null for : Fancy Bash prompt