refined exhibit create/edit operations
Merge branch 'master' of https://github.com/alterm4nn/ChronoZoom into czservice
Merge branch 'master' of https://github.com/alex-zen/ChronoZoom into czservice
minor changes
merge with blessed
merge with blessed
create/edit exhibits/content items implemented
merge with blessed
create/edit exhibits + content items implemented
Merge pull request #129 from MichaelKalygin/czservice

Create/Edit Exhibits and Content Items.
erged with blessed. Refactored authoring