Fix: do not fail in operating_system.rb when X_SCLS is empty

Support in no_proxy for domain names with whitespaces and leading dots

Fix support for dependent^2 SCLs
Update to Ruby 2.3.1
2.3.0-undef-BUILTIN_CHOOSE_EXPR_CONSTANT_P.patch; subsumed
2.3.1-remove-tests-depending-on-europe-moscow.patch; subsumed

Add %{scl}-runtime to Requires in libs subpackage

Fix and enhance systemtap tests
Remove tests depending on Europe/Moscow to avoid failures due to tzdata change

Fix ruby lib path in macros.ruby.rh-ruby23
Resolves: rhbz#1255753
Manually set UTC timezone for tests

Don't prefix bundling provides.
Don't enable collections for build.
Optimize operating_system.rb a bit.

Fix default_dir and default_bindir

Fix dependent scls's paths

Fix macros.ruby and macros.rubygems

Add scl macros

Add rubypick and rubygems requires to ruby-devel to deal with BuildRequires

Backport trunk@53455 to make ruby-qt build

Explicitly require RDoc, since weak dependencies are ignored by default.

Load RubyGems prior ABRT hook to properly rescue RubyGems exceptions.

Upgrade to Ruby 2.3.0.
Move gemified net-telnet into subpackage.
Add did_you_mean subpackage.
Add virtual provides for CCAN copylibs.
Use weak dependencies.