Signed-off-by: Brian of London (home imac) <brian@v4v.app>

* Add option add_tor to config storage, which allows it to use beempy in tails
* Remove Events requirements, beem.notify and beemapi.websocket, as it is not well tested and there are no websocket api nodes available on hive
* Remove unnecessary requirements (pylibscrypt and future)

Fixed two typos

* --keys insted of --key
* wrong brackets in example key json

Updated beempy --help to version 0.24.5

* new beemstorage module
* Config is handled by SqliteConfigurationStore or InRamConfigurationStore
* Keys are handled by SqliteEncryptedKeyStore or InRamPlainKeyStore
* Move aes to beemgraphenebase
* Wallet.keys, Wallet.keyStorage, Wallet.token and Wallet.keyMap has been removed
* Wallet.store has now the Key Interface that handles key management
* Token handling has been removed from Wallet
* Token storage has been move from wallet to SteemConnect/HiveSigner

* Improve chain detection (Steem chain detection fixed and preparing for Hive HF24)
* Add authored_by and description fields in YAMLM header
* Improve doc
* beempy post image upload includes the markdown file path now

* Fix update_account_jsonmetadata and add posting_json_metadata property to Account
* Add Ledger Nano S support
* beempy -u activates ledger signing
* beempy -u listkeys shows pubkey from ledger
* beempy -u listaccounts searches for accounts that have pubkey derived from attached ledger
* beempy -u keygen creates pubkey lists that can be used for newaccount and changekeys
* new option use_ledger and path for Hive

fix more unit tests

* Adapt version number in doc

This is a common mistake, its vs it's
Read about it at http://www.elearnenglishlanguage.com/blog/english-mistakes/its/

Account
* add comment, vote, transfer RC costs in account.print_info() and beempy power
* Shows number of possible comments, votes, tranfers with available RCs in account.print_info() and beempy power

RC
* add possibility to specify tx_size instead of constructing a dict for comment, transfer, vote and custom_json 

* estimated_mana is now capped by estimated_max
* print_info fixed()
* get_api_methods() and get_apis() added to Steem

Snapshot
* impoved and STEEM and SBD history added
* Documentation added
* get_data, reset, build functions added

Discussions
* Replies_by_last_update and Trending_tags
Blockchain
* get_transaction_hex added
Account
* get_tags_used_by_author added
Docs
* apidifinitions added

ImageUploader can be used to upload an image file or an image in bytes