tools/fastq/fastq_paired_end_joiner: added support for recent Illumina headers
Merged galaxy/galaxy-central into default
web API: fix unhandled exception when exporting a workflow with missing tools
revert e232573b7c62 to isolate API workflows patch
Merged in simleo/galaxy-central/fix_api_workflows (pull request #280)

web API: fix unhandled exception when exporting a workflow with missing tools