[nl] -dt errors and incorrect conjugation of english verbs in dutch
Change system('ruby makepdfs') to system('sh makepdfs’); Fixes progit/progit#557
changed system(“sh makepdfs”) to system(“bash makepdfs”) because makepdfs is a bash script
Merge pull request #565 from kheyse/fix_t_errors

Fix incorrect conjugation of english verbs 'clone' and 'push' in dutch
Merge pull request #567 from kheyse/rakefile_fix

Change system('ruby makepdfs') to system('sh makepdfs’); Fixes #557