Add ruby:meetup exercise
Fix readme on bob
Tweak word count README
Make word-count README language-independent.
Clarify nucleotide count readme
Delete extensions from the beer song readme
Flesh out Bob README
Update rna-transcription readme
Simplify robot-name README
Tweak ruby:leap-year
Fix Bob README
Removed ruby specific array syntax in the README for anagram
haskell matrix
haskell octal
 haskell trinary
lower-cases atbash-cipher alphabet encoded example

This matches the behavior of the Ruby implementation.

[#663]
removes code from atbash-cipher.md

[#663]
removes code from binary and rewrites description of binary system

[#663]
rewrites crypto-square assignment to remove Ruby code

[#663]
rewrites etl assignment to avoid Ruby code

[#663]