code cleanup
Merge pull request #158 from janschoenherr/patch-1

code cleanup
Update README.md

Spelling fix.
Merge pull request #188 from zzatkin/patch-1

Update README.md
Update README.md
CONTRIBUTING.md: sass --unix-newlines
fixed typo in contributing doc
fix positions of tile numbers
Merge pull request #279 from sigod/numbers-positions

fix positions of tile numbers
Add maintainers to README
Merge pull request #258 from harimohanraj89/documentation

CONTRIBUTING.md typo fix
Merge pull request #234 from sigod/contributing

CONTRIBUTING.md: sass --unix-newlines
Trying to merge with original 2048