1.19.0

Changelog

Report script:

• el_gato version used for each sample now included on sample pages of report
• Make header optional. controlled with -n, --no_header.
• Removed image from header
• Support providing custom header as a string in command using --custom_header
• Support providing custom header in a text file using --header_file
• Header spacing now automatically determined using header size

El_gato:

• Include version number in the report.json
• Fix bug that caused locus headers to be included in the report if el_gato was run with -e