Merge pull request #98 from keithj/devel

Set PATH for tests and external programs
Merge pull request #99 from keithj/devel

Fixed typo
Merge pull request #100 from keithj/devel

Add ../bin to PATH to find run_qc.pl during tests
Merge pull request #101 from keithj/devel

As this script uses FindBin, there is no need to mess with the PATH
Merge pull request #102 from keithj/devel

Improved CLI argument checking
Changes to remove WrapDBI dependency
Merge branch 'devel' of github.com:wtsi-npg/genotyping into devel
Fixed more broken paths