v8.1.0

• feature/#64: Lines abbreviation [PR from CG Bahk]
• feature/#67: Added ability to count on explore page
• fixed loc for: search, tranding
• feature/#52: style separating for loc messages
• documentation update
• added support for next languages:
• • Bulgarian
• • Polish
• versions bumping for: jquery, tar, fstream, js-yaml, lodash, mixin-deep
• refactoring