PDF Generation -> update heading depth of client API -> basic operations
heading improvemenst for PDF generation
Merge branch 'generatePDFDocs-studio-bundles' of https://github.com/dominiqueplante/docs

Conflicts:
	version_2_5/docs/client-api/basic-operations/deleting-documents.markdown
	version_2_5/docs/client-api/basic-operations/saving-new-document.markdown
	version_2_5/docs/client-api/basic-operations/understanding-session-object.markdown
Merge branch 'master' of github.com:ravendb/docs