Set build version to 0.8.4
Hotfix for RT #352242
Merge branch 'master' into devel
Made depth limits of file directory traversal functions optional

Bugfix to use of stat function where returned mtime could be undef
remove lines from help message not currently applicable to this update_sequenom_metadata tool
add cmd line options for additional (exact) meta data filters (will use AND)
Added new chip design HumanOmniExpressExome-8v1-2
Merge remote branch 'wtsi-npg/devel' into devel
Merge pull request #147 from dkj/devel

Limit update by extra meta data constraints
Merge remote branch 'wtsi-npg/devel' into devel
Added David's filter patch to update_infinium_metadata.pl

Changed use hyphen-separated CLI args

Changed log level of counter from DEBUG to INFO