typo fix: ObjectMethodsWrapper.standartMethods() renamed to standardMethods()
language fixes in CollectionMatchersTest
ContainsUniqueItems matcher rewritten using guava library
indents and authoring fix in ContainsUniqueItems
authoring fix in ContainsUniqueItems
Merge pull request #4 from innokenty-shuvalov/master

Refactoring - Collection contains unique items matcher refactoring with guava lib