Merge branch 'develop' into 'master'

_data/apidefinitions/bridge.yml

_data/apidefinitions/broadcast_ops.yml

_data/apidefinitions/broadcast_ops_communities.yml

_data/apidefinitions/condenser_api.yml

_data/apidefinitions/database_api.yml

_data/apidefinitions/debug_node_api.yml

_data/apidefinitions/market_history_api.yml

_data/apidefinitions/reputation_api.yml

_data/apidefinitions/tags_api.yml

_quickstart/choose_library.md

_quickstart/hive_full_nodes.md

_resources/client_libs.md

_tutorials-javascript/follow_a_user.md

_tutorials-javascript/get_delegations_by_user.md

_tutorials-javascript/vote_on_content.md

_tutorials-python/edit_content_patching.md

_tutorials-python/submit_comment_reply.md

_tutorials-recipes/calculate_rc_recipe.md

_tutorials-recipes/estimate_upvote.md

_tutorials-recipes/exchange_node.md