#92 increment to 2.0.0-alpha01 and clear release notes
Merge pull request #103 from adamralph/92

#92 increment to 2.0.0-alpha01 and clear release notes
Merge pull request #110 from xbehave/master

dev catch up with master
Merge pull request #112 from xbehave/master

dev catch up with master
Merge pull request #116 from xbehave/master

catch up dev with master
Merge pull request #119 from xbehave/master

catch up dev with master
#121 cleaned up Debug/Release mess
change version to 1.1.0-beta01
Merge pull request #122 from adamralph/121

cleaned up Debug/Release mess
Merge pull request #124 from xbehave/master

catch up dev with master
Updated solution with XBehave.Net45.csproj Xbehave.Sdk.Net45.csproj and test project XBehave.Features.Net45.csproj.
Also updated rakefile.rb and some linked files to work with conditional compilation.

This is to setup the ground for issue #25
Applied feedback by changing capital letters, updating DEBUG and RELEASE targets, added missing nuget packages, etc.
Updated nuget packages version, build actions, after build events, capital letters, etc.
Updated reference to XBehave project from Xbehave.Features.Net45.csproj
switched to absolute paths for xunit runner params
Merge pull request #125 from adamralph/net45

Added NET 4.5 projects
# Initial approach to async steps support
Merge pull request #127 from xbehave/master

catch up dev with master
Refactored to extract Step.cs and separate AsyncStep.cs and SyncStep.cs. Still need to support method groups with async void signature.
Introduced AsyncTestSyncContext.cs from XUnit project to support async void methods. Added unit test for it.

Still need to add tests for exceptions.