Update example
News: add video link
Add map size counter example
Fix news
Merge remote-tracking branch 'upstream/master'
Secondary non-unique index.
Fix in  BTreeMap
Merge pull request #49 from csm/master

Locking fixes (I think)
Improve site and build file
Improve secondary keys
Fixed Issue #50, BTreeMap submap errors
New example added.
Fixed Issue #36, disk leak in StorageJournaled
Add compaction, fix Issue #18
Merge branch 'master' of github.com:jankotek/MapDB
Custom_Value example improved.
Merge pull request #52 from pdroalves/master

New example
Minor improvement to README
Updated repository name
Soma additions to Custom_Value example