missed to use the new locations of wrappers classes available in API in webclient.py

* wallets/__init__.py: missed to replace call location of wrappers cl…

…asses to new locations

Added divide feature into client.py using the new Divide class introduced in the API

• added divide features in client.py
• fixed issues

Use of flask blueprints in order to redesign the api and wallets modules

• moved templates and static files to new blueprint locations
• defined api and wallets modules as blueprints
• registered these new blueprint from webclient

History: use of signed date + pagination

• use of transactions signed dates field in order to sort transactions in history page
• added pagination feature

Updated transfer page, new issuance page and separation from API lower level layer

Change Log

• replaced slidebar from transfer page by a basic text input controler since the computation complexity to get all combinations coins was too high, you can easily set the amount want to send.
• created the issuance page in order to issue your own available UD thanks to nice slidebars and a random selection of coins.
• divided both the projects ucoin-python-api and upycoin since their goals are differents.
  since the code was refactorized in ucoin-python-api use of the new design in webclient.py and client.py
• fixed a few bugs
• better explanations in README

Illustrations

Init

• initialization of the project based on flask
• created a basic interface in order to browse through your wallets
• history page to see the transactions history for several types of transactions
• transfer page make a transfer to another account using its pgp fingerprint, a nice slidebar to select between several combinations of available coins
• fixed a few bugs