Sanitize some inst field names

Add additional documentation.
Remove more references to malloc
Fix typo.  Closes #253
Use pairfilter, instead of making copies of copies
Use consitent / simple names
Its a directory
Finish cacheable group membership code

Add 'user' configuration section, and move enable attribute there

Add user and group specific base_dn, filter, and scope
Tabs should be allowed in bootstrap.sql files

Move version debug statement to after config parsing
Fix documentation
Typo in rlm_ldap_xlat_filter
Fix makefile for eap_tls
Fixes for new group code
More fixes
EAP_MAX_TYPES is invalid, too
Check for NULL parameters in pairmove()
Initial support for MVA operators