Merge pull request #57 from tzz/master

update classes doc with info about hcgrep and classesmatching
Document "--legacy-output"
Mark LDAP functions as Enteprise-only.

Also, replace "commercial editions" with CFEngine Enterprise,
and clean up similar things elsewhere.
Clarify recipient of --remote-options.

Fixes #2711
Purge most mentioning of "how it was back in CFEngine 2".

If this is important, the porting guide needs to cover this.
Follow style guide while adding this.bundle and this.namespace
Remove Nova references from installation.
Syslog is in community.
Nova purging.
Remove redundant header.
Standardize header style.
Format fixes.
Replace ` with ' to properly quote
Remove documentation for deprecated attributes.

Replace with "Deprecated" statement.
Consistent header style.
Formatting of commands.
Close code block.
Consistent formatting for types.
Consistent format.
executor simplification