Merge pull request #122 from ialekseev/master

Adding shared specs for case when excetion was thrown during UoF
Merge pull request #123 from ialekseev/master

Adding shared specs re throwing exception in nested UoF
Merge pull request #124 from ialekseev/master

Adding even more shared specs re throwing exception
Merge pull request #125 from ialekseev/master

Adding test for async nested UnitOfWork case
Merge pull request #126 from ialekseev/master

Adding simple async versions of UnitOfWork's Do
Merge pull request #127 from ialekseev/master

Updating Castle.Core & FakeItEasy libraries
Merge pull request #128 from ialekseev/master

Updating FluentNHibernate(to the prerelease version) trying to fix probl...