* Declare used properties in constructor
* Module.(re)building moved into Compilation._(re)buildingModules (Map)
* Make NormalModule.error private
* Move Module.cacheable logic into needRebuild
* More stable implemention of rebuildModule
* addModuleChain waits for Module building finished before returning
* Set built and cacheable flags correctly in Modules
* More portableId into WeakMap
* Add ModuleReason for entrypoints
* cacheable can be true/false/null in Stats
* added Stats module issuerPath
* fixes profile in stats output
* moved format location into separate file
allow dependencies to report errors too
* NullDependencies do not change the hash
* dependencies can opt-out from `__webpack_require__` param
* apply module syntax plugins earlier
* emit errors if using AMD or CommonJS syntax in harmony modules
* Upgrade eslint
* Pin down eslint version
* Temporary fix for difference between js-beautify and eslint
js-beautify suddenly requires a space between `while` here,
but everywhere else we use it without space.
* Remove redundant rules (present in eslint:recommended)
* Add rules comparable to js-beautify rules to eslint
* Add some forgotten files
* Ugh, fix some differences between eslint and js-beautify the nuclear way
* Add back variables