Backports to C++03 version

VS 2012 tests passed
Some visual changes
nullptr fixes
Version changes
Merge pull request #5 from aptakhin/inheritance

Inheritance
Merge branch 'master' into rad-xe

Conflicts:
	include/bike/s11n-text.h
Fixing commits
Merge branch 'rad-xe'

Conflicts:
	tests/s11n-text-tests.h