Reusing `TransformerFactory.newInstance()`

See #1079, release log:

• d81889e by @yegor256: #1079 new jcabi-xml which is f...
• 55946ca by @OlesiaSub: Merge branch 'master' of https...
• a13b15c by @rultor: Merge branch '__rultor'
• 301c65b by @rultor: Merge branch '__rultor'
• eaedf1a by @andreoss: (#1060) - Add array.empty an...
• 7666610 by @andreoss: (#1060) - Add tests
• 2557169 by @rultor: Merge branch '__rultor'
• 6a453c1 by @rultor: Merge branch '__rultor'
• c38e74d: @checkstyles removed
• b80a176: #881 code style fixed
• c301d69 by @Graur: #1035 - fixed eo-runtime tests
• a77a61a: #881 checkstyle fixed
• 1f25e3a by @Graur: #1035 - fixed eo-maven-plugin ...
• cdc9744 by @Graur: #1035 - fixed eo-parser tests
• a8d3761 by @andreoss: (#348) - Add todo for a broken...
• ee1713a by @andreoss: (#348) - Test for a resolved n...
• dffe425 by @andreoss: (#348) - Fix order
• 2c5328c by @andreoss: (#348) - Type in data.xslt bas...
• bffa8bc by @OlesiaSub: Merge branch 'master' of https...
• 49319cb by @OlesiaSub: Fix style
• and 5 more...

Released by Rultor 2.0-SNAPSHOT, see build log