LeapYear Kata with Extra Credit

Add LeapYear Kata instructions to doc
Add LeapYear Extra Credit (commented out)
Typo in Leapyear.md
Pig Latin Kata with Extra Credit

Add PigLatin.md to /doc/
Write PigLatin Extra Credit Tests
Links to individual Readmes.
Add named anchor to piglatin link
Merge pull request #2 from TheSoftwareDev/master

LeapYear, PigLatin Katas with Extra Credit