Ignore node_modules sub-directory.
Czech translation.
Change pool size back to 256 bytes.
Merge pull request #62 from onovy/poolSize-256

Change pool size back to 256 bytes.
Merge pull request #58 from onovy/gitignore

Ignore node_modules sub-directory in git.
v2.8.0 visualize entropy collection
Merge pull request #59 from onovy/translation-cz

Czech translation.
v2.8.1 Czech translation. Remove firstbits link. Fix mouse movement visualization for Firefox and IE.