Adds 4.1.4 and missing versions from Ja, Zh, and Ko

[tvo318]

Adds the following:

• 4.1.4 (English, Japanese, Chinese)
• 4.2.1 (Japanese, Chinese, Korean)
• 4.1.3 (Japanese, Chinese)

Marked the following versions as EOL'd:

• 4.0 and 4.0.1 where applicable
• 3.7.x and older where applicable

See rendered content:

• http://docs.testing.ansible.com/automation-tower-prior-versions.html
• http://docs.testing.ansible.com/automation-tower-japanese-translations.html
• http://docs.testing.ansible.com/automation-tower-chinese-translations.html
• http://docs.testing.ansible.com/automation-tower-korean-translations.html