peek-database
Merge remote-tracking branch 'origin/modeling-attempts' into modeling-attempts

Conflicts:
	src/clj_hypergraph_db/core.clj
info removal
sql commented
minor fixes
getting instances from database
getting userdomains from database
fixes | example
examples fix
attempts to reorganize core
obsolete files deletion
finalized reorganizing core
file conventions | prototyping in core
refactored xml loading and hg data storing
prototype of output xml config
changes in configuration_languages file
prototype of xml output | a lot of refactoring
xml output fixes
xml input loading changes
old core