proposed patch for https://github.com/fidelram/deepTools/issues/25
fix for https://github.com/fidelram/deepTools/issues/23
Fix for issue #24 (https://github.com/fidelram/deepTools/issues/24)
adding config file
removed links to manual folder
new figure for file formats
added check for empty bam file
Merge pull request #31 from fidelram/check_empty_file

fix for #25
Additional code for fix #26