Description of problem:
Ruby fails to build due to chances in tzdata. RHSCL 2.2 used to have tzdata-{2014e-2.el6,2015a-1.el7} while RHSCL 2.3 is built against tzdata-2016h-1.el{6,7}

Version-Release number of selected component (if applicable):
rh-ruby22-ruby-2.2.2-16.el{6,7}

How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:
```
  1) Failure:
TestTimeTZ#test_europe_moscow [/builddir/build/BUILD/ruby-2.2.2/test/ruby/test_time_tz.rb:174]:
TZ=Europe/Moscow Time.local(1992, 3, 28, 23, 0, 0).
<"1992-03-29 00:00:00 +0400"> expected but was
<"1992-03-28 23:00:00 +0300">.
  2) Failure:
TestTimeTZ#test_gen_Europe_Moscow_100 [/builddir/build/BUILD/ruby-2.2.2/test/ruby/test_time_tz.rb:301]:
TZ=Europe/Moscow Time.local(0, 0, 22, 26, 9, 1992, nil, nil, false, nil).
<"1992-09-26 22:00:00 +0300"> expected but was
<"1992-09-26 22:00:00 +0400">.
  3) Failure:
TestTimeTZ#test_gen_Europe_Moscow_47 [/builddir/build/BUILD/ruby-2.2.2/test/ruby/test_time_tz.rb:265]:
TZ=Europe/Moscow Time.utc(1992, 3, 28, 20, 0, 0).localtime.
<"1992-03-29 00:00:00 +0400"> expected but was
<"1992-03-28 23:00:00 +0300">.
  4) Failure:
TestTimeTZ#test_gen_Europe_Moscow_49 [/builddir/build/BUILD/ruby-2.2.2/test/ruby/test_time_tz.rb:265]:
TZ=Europe/Moscow Time.utc(1992, 9, 26, 19, 0, 0).localtime.
<"1992-09-26 22:00:00 +0300"> expected but was
<"1992-09-26 23:00:00 +0400">.
  5) Failure:
TestTimeTZ#test_gen_Europe_Moscow_98 [/builddir/build/BUILD/ruby-2.2.2/test/ruby/test_time_tz.rb:283]:
TZ=Europe/Moscow Time.local(1992, 3, 29, 0, 0, 0).
<"1992-03-29 00:00:00 +0400"> expected but was
<"1992-03-29 00:00:00 +0300">.
16011 tests, 2880688 assertions, 5 failures, 0 errors, 37 skips
ruby -v: ruby 2.2.2p95 (2015-04-13 revision 50295) [x86_64-linux]
```


Expected results:


Additional info: