Merge pull request #14 from swenson/master

Fix broken notNull
Use version 0.8.4 in README for Scala 2.10
Document the mockito wrapper a bit more thoroughly
Whitespace
Clarify ordering information
Merge pull request #15 from sjl/mockito-docs

Document the mockito wrapper a bit more thoroughly
Scala 2.10.2
Update travis-ci
Skip the install phase in travis-ci
Merge pull request #17 from SimpleFinance/scala_2.10.2

Update for Scala 2.10.2
Document Scala default argument use with matchers