[#1191] "Import Licenses" wizard should support import from archive

[eparovyshnaya]

ImportLicenseDialog is extended with proper hooks, as well as all the chain of inclusions that make your custom dialog work.

• construct you verion of ImportLicenseDialog with custom LicenseFilesControl implementation (read license files from archive, for instance).
• supply it to LicenseStatusDialog by defining your own version of BaseLicenseStatusDialog
• supply your version of BaseLicenseStatusDialog to your version of BaseEquinoxPassageUI
• which you can directly invoke from your own version of E4LicensingAddon or other places

Closes #1191

[codecov]

Codecov Report

Attention: 159 lines in your changes are missing coverage. Please review.

Comparison is base (ed1229b) 33.75% compared to head (470e75b) 33.74%.

Files	Patch %	Lines
...ace/dialogs/licensing/BaseLicenseStatusDialog.java	0.00%	73 Missing ⚠️
...clipse/passage/lic/jface/BaseEquinoxPassageUI.java	0.00%	29 Missing ⚠️
...l/jface/dialogs/licensing/FromLocalFileSystem.java	0.00%	24 Missing ⚠️
...l/jface/dialogs/licensing/ImportLicenseDialog.java	0.00%	14 Missing ⚠️
...nternal/jface/dialogs/licensing/GoodIntention.java	0.00%	5 Missing ⚠️
...l/jface/dialogs/licensing/LicenseStatusDialog.java	0.00%	5 Missing ⚠️
...c/internal/jface/dialogs/licensing/LicenseSet.java	0.00%	4 Missing ⚠️
...ic/internal/base/conditions/LicenseConditions.java	0.00%	2 Missing ⚠️
...rg/eclipse/passage/lic/jface/EquinoxPassageUI.java	0.00%	2 Missing ⚠️
...e/dialogs/licensing/AllConditionsFromLicenses.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1285      +/-   ##
============================================
- Coverage     33.75%   33.74%   -0.02%     
  Complexity      391      391              
============================================
  Files          1181     1184       +3     
  Lines         25864    25883      +19     
  Branches       1591     1590       -1     
============================================
+ Hits           8731     8733       +2     
- Misses        16612    16630      +18     
+ Partials        521      520       -1     

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[ruspl-afed]

Please add headers for new files

[ruspl-afed]

Thanks! Very desired feature!