* Update `add_license` script
* run script
* add `remove duplicate lines script` and run it
* Revert changes `English spaces`
* strip whitespaces
* Revert `GPL` in files with `apache/mit license`
* don't append `gpl license` in files with other lic
* Don't append `gpl header` in files with other lic.
* re-ran script
* include c and cpp files too
* remove duplicate header
* rebase nit
* whisper skeleton
* basic message store
* rallying and message logic
* pass host info to network protocol handlers
* choose who starts rally based on node key
* module reshuffling
* mining messages
* prune messages by low PoW until below size target
* associated error type for ethkey generators and `OsRng` generator
* beginnings of RPC
* generic message handler for whisper
* reshuffle code order
* standard payload encoding and decoding
* basic crypto
* minor restructuring of net code
* implement shh_post
* merge?
* implement filters
* rand trait for hash types
* filter RPCs for whisper
* symmetric encryption of payload
* pub-sub
* filter tests
* use only secure random IDs
* attach arbitrary protocols to network
* basic integration of whisper into Parity
* eagerly prune low PoW entries
* broadcast messages with salted topics
* node info RPC
* fix import
* fix leading zeros calculation
* address minor grumbles
* bump rust-crypto
* initial version of account provider utilizing secret store
* update lazy_static to latest version
* AccountProvider accounts method
* new AccountProvider tests in progress
* basic tests for new AccountProvider
* ethcore compiles with new account provider and secret store
* ethcore-rpc build now compiling with new AccountProvider
* most rpc tests passing with new accounts_provider
* fixed basic_authority tests
* fixed eth_transaction_count rpc test
* fixed mocked/eth.rs tests
* fixed personal tests
* fixed personal signer rpc tests
* removed warnings
* parity compiling fine with new sstore
* fixed import direction
* do not unlock temporarily when we have the password
* removed TODO in account import
* display warning on auto account import failure
* fixed compiling of ethstore on windows
* ethstore as a part of parity repo
* added ethkey