Add LDAP error message explanation.
Correct style.
Merge pull request #818 from bpindelski/rebased/dev_5_0/ldap_errors

Add LDAP error message explanation. (rebased onto dev_5_0)
Developer doc tidying part 1
More developer tidying
Fixing server version
Adding link to schema doc to OMERO doc front page
Merge pull request #821 from hflynn/schema-links

Schema links
JMs comments & further tidying
Reformat Search page headings

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Restructure omero.api.Search table using list-table

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Unify markup in Search with the rest of the documentation

- Wrap lines after 78 charachters
- Use file and envvar markups when possible
- Use $ as the leading character for UNIX command lines

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Add percent indexed SQL command to the Re-indexing section

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Move search indexing/re-indexing to the sysadmin section

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Improve re-indexing title style and add sub-titles

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Add table for re-indexing time of production servers

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
re-indexation -> re-indexing

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Define all omero.search.xxx properties in the Search sysadmin page

This commit should group all sysadmin content related to search into a single
page. Additionally, the omero.search.xx properties are defined as glossady
(i.e. indexed) and referred to using the `term` markup in the rest of the
documentation.

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Improve title of sysadmin search section

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Move paragraph back to developer doc and add cross-references

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)