Fixed make_html_report for non-ASCII characters
Fixed make_html_report for non-ASCII characters


Former-commit-id: 440e0836bbe67810e335ef539f3e245adc07246b [formerly 1f3e4654f55046c7043554ec8f7d297dabc0889d]
Former-commit-id: b6b35d2e190f179f0f9d1f9b1884d53d4287874d
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine