No need for opencache.sh

Things were split up into separate files, no need for this monolithic stub
Don't create our own log file

Starting mongod with --logpath will actually create the file for you, no need to do it manually
Merge branch 'master' of https://github.com/broadbent/mevdds
Merge branch 'master' of https://github.com/broadbent/mevdds
Allow the bootstrapper to be executed anywhere

No longer do you have to be inside mevdds/scripts/ to execute start.sh, it should now be more relative
Merge pull request #6 from sBaildon/master

Delete redundant file & tidy up