Add error message when toMsgpack/fromMsgpack are defined but fail to instantiate.
Merge pull request #2 from AndrejMitrovic/InfoOnFail

Add error message when toMsgpack/fromMsgpack fail to instantiate
Add static assert for Object type serialization
Update README
Add travis config
Update README.markdown
Update for 2.061

Add !is(Unqual! == enum) to some constraints because
IntegralTypeOf returns true with enum type since 2.061.

Modify some test codes. The cause of following regressions.
- http://d.puremagic.com/issues/show_bug.cgi?id=9169
- http://d.puremagic.com/issues/show_bug.cgi?id=9266
Update .travis.yml for 2.061
Set MODEL variable via getconf
Add typeof(null) overload to Value
Add more options to DFLAGS
Add string overload to Value constructor
Fix calling non-property function without ()
Add DisableReal flag to disable D specific real format
By default, real format is disabled