Override staging deamon start command to get logs on hosts
Use subroutine to determine sfarea from hostname
Override log_dir to empty string to avoid confusion
Check that the log directory exists and is writable, using nfs to be visible from login nodes
use staging area for staging daemon logs
Update Changes; remove diagnostic
Adding & updating modules and tests to enable finding of transcriptome files
Updated to reflect transcriptome additions
Check existence of logs before starting demons; use /export but allow /nfs for test
Improve readability of bash command generation
Merge in wtsi-npg devel
Merge pull request #144 from KateTaylor/move_staging_logs

Move staging daemon logs to staging area
Merge pull request #146 from wtsi-npg/devel

pull request from wtsi devel to master - release 76.3
Merge pull request #147 from wtsi-npg/master

Pull request from wtsi-npg master to devel (release 76.3)
Merge branch 'devel' of https://github.com/wtsi-npg/npg_tracking into devel
private accessors added to avoid repeating logic. ENSEMBL_RELEASE_VERSION added to make directory structure clearer.
symbolic link entry removed
Create a sub-class of Module::Build to hold npg routines from tracking and seq_common
some unused code removed; some small test scripts merged into related larger test scripts; VERSION variable and headers with SVN properties removed from test files; all test scripts are given .t extension; unnecessary "use" statements removed from tests
backported changes from wtsi/devel; resolved conflict in Changes