* fix(tickets): Field codes for TicketCount and TicketSequence
BeginLedgerSeq was taking the place of TicketCount (40) in definitions.
From a8d481c2a5/src/ripple/protocol/impl/SField.cpp
TicketCount should be 40 and TicketSequence 41.
BeginLedgerSeq doesn't seem to be used, so removing it
* fix(ci): fix tests ci
* will compile as typescript
* migrated test suite to use JestJS
* Migrated to Jest testing framework and typescript source files
* updated deps
* updated prepublish
* resolved 1 failing test
* changed decimal .0 on four tests, it appears that these were the only four tests expecting integer values to have '.0'
* added linter
* added package-lock
* removed tslint in favor of eslint
* changed yarn to npm
* updated version 2.6->3.0
* removing package lock
* updated node version in nvmrc and jest version in package
* removed nvmrc
* removed some unused functions
* replaced data driven with file from master
* commitint yarn.lock
* removing babel as a dependency in favor of typescript compiling to es5
* removing babel deps
* resolved testing issues by migrating helper function
* added partial linting functionality for test suite
* updated imports for decodeLedgerData
* updated test
* updated yarn.lock
* removed a console.log
* added eslint-jest-plugin to package
* reverting to old linting, will add linting in next PR
* removed comments in shamap
* re-adding .nvmrc
* npm -> yarn
* added . to .eslintrc
* added .eslintrc
* removing linting for this PR
* Changed linting to print a message so that linting doesnt fail in CI
* changing back
* added newline so diff wont show
* removed eslint deps, since linting will be dealt with in a later PR
* changed function calls to describe(...)
