Merge pull request #130 from eile/master

Fix build with boost 1.56
Merge pull request #131 from eile/master

Servus: add API for continuous browsing, SKV backend for PersistentMap
Unit test for lunchbox::Result, minor tweaks
Merge pull request #132 from tribal-tec/master

Unit test for lunchbox::Result, minor tweaks
Fix VS2010 build
Merge pull request #133 from tribal-tec/master

Fix VS2010 build
Merge branch 'master' of https://github.com/eile/Lunchbox