Update app/res/values-fr/strings.xml

Closes #317
Fix "unassigned" in pt translation

Closes #325
Update Ukrainian locale

Closes #331
Add Hebrew translation

Closes #332
Upgrade http request to version 4.1

Closes #340
Remove Ruby code string from Hebrew translation
Upgrade to android-maven-plugin 3.5.3
Add Share button repository view

Closes #335
Combine star and share repository menus
Start share intent without chooser

This is to be consistent with other share actions in
the app.

Also use the repository id as the subject instead of
just the name.
Generate repository URL when is it missing

This will be the case when it is pulled from the local cache.
moved search repo classes to .search package
added skeleton classes for SearchActivity
implemeted tab pager for repos/users search
removed unneeded files
fixed SearchActivityTest
implemeted search for a particular user
implemented requery from SearchActivity
added SearchUser model class
implemented SearchUserService - an extension to UserService with methods for users search using Search API