Metacat

Major touchup work in ISO XSL

- Fixes numerous bugs involving ISO's bizarre use of nilReasons
- Fixes numerous bugs involving differences between the ISO workbook
and the schema
- Adds support for Polygons

Tidy up ISO stylesheets. This is an set of iterative tweaks both to the
in-file formatting as well as a bit of small tweaks to how things work.

Simplify keyword thesaurus display

Showing the whole thesaurus for every keyword set is way too much info
and is impossible to display with a naive implementation.

Fix bug in abstract handling in ISO XSLT

Before this change, a missing abstract would still show up but just as
an empty box with on content. This should be fixed now.

- Clean up isoroot selectors and comments. Use relative xpaths when possible
- Clean up the output of the ex module
- Misc whitespace/formatting fixes

Clean up ISO stylesheet formatting

Start the basis for gmd:distributionInfo

Minor tweaks and code cleanup to ISO XSLT

- Renamed the folder once more to be more correct

Multiple changes to the ISO XSLT

- Renamed base folder from iso to iso19139
- Added a short_citation template for showing thesauri in tight places such as the keywords list
- Tweaked the geographic coverage output so the static maps render in Metacat UI

Continue work on ISO XSLTs

- We now have a template for CI_Citation
- I moved some templates into separate XSLTs
- Cleaned up overally structure/styling of translated output