Making project->add_job function return a more descriptive error when a job cannot be added because it is already in another project.
Merge branch 'develop' of https://github.com/MG-RAST/MG-RAST into develop
Slanted the text of the horizontal axes on the bar charts on the admin page to make the text readable.
Merge pull request #399 from jaredbischof/develop

Updated error message during job submission and fixed horizontal axes text for bar charts on admin page.