* Added crypto project and decoupled BitcoinSLogger from NetworkElement
Decoupled BitcoinSLogger from Factory
Moved NetworkElement into crypto project
Moved Factory and BitcoinSUtil (renamed to BytesUtil) to crypto project
Moved MaskedToString to crypto project
Added BytesUtil to imports and cleaned up CryptoUtil.recoverPoint
Moved the rest of crypto stuff to the crypto project
Moved crypto tests to crypto-test project
* Added documentation for crypto project
* Make imports in chain.md invisible
* Hide imports in wallet.md
* Make all core module md files imports hidden
* Cleanup imports on rpc markdown docs
* Try and figure weird travis behavior
* Get rid of uneeded nest qualifiers on mdoc