[FEATURE] Including contrib version with support for VS12.
Merge pull request #24 from holtgrewe/hotfix/contrib_vs12

[FEATURE] Including contrib version with support for VS12.
[FIX] fixed bug in interval tree when query interval and tree interval share the same end (by courtesy of Sandro)
Merge pull request #26 from weese/hotfix-intervaltree

[FIX] fixed bug in interval tree ...