The -j/--jinja2 option to "cylc view" should imply -i/--inline.

This was broken in 5.4.10 by the "multiple event hooks" change.
Added tests for cylc view command.
Merge pull request #915 from hjoliver/fix-cylc-view-jinja2

cylc view: the -j/--jinja2 option should imply -i/--inline.