Set version to 0.8.0.

Author: yfakariya

build/Version.txt

@@ -1 +1 @@
-0.8.0-beta
+0.8.0

src/CommonAssemblyInfo.cs

@@ -35,13 +35,13 @@
 // Major : Represents Major update like re-architecting, remove obsoleted APIs etc.
 // Minor : Represents Minor update like adding new feature, obsoleting APIs, fix specification issues, etc.
 // Build/Revision : Always 0 since CLI implementations does not care these number, so these changes cause some binding failures.
-[assembly: AssemblyVersion( "0.7.0.0" )]
+[assembly: AssemblyVersion( "0.8.0.0" )]
 
 // This version represents libarary 'version' for human beings.
 // Major : Same as AssemblyVersion.
 // Minor : Same as AssemblyVersion.
 // Build : Bug fixes and improvements, which does not break API contract, but may break some code depends on internal implementation behaviors.
 // For example, some programs use reflection to retrieve private fields, analyse human readable exception messages or stack trace, or so.
 // Revision : Reserced. It might be used to indicate target platform or patch.
-[assembly: AssemblyInformationalVersion( "0.7.0-alpha2" )]
+[assembly: AssemblyInformationalVersion( "0.8.0-dev" )]