* Use "lib" in tsconfigs instead of "target".
Only add "dom" to libraries that need it. This is determined by a script, so many libraries that have "dom" maybe should not.
* Update new-package and readme
* Add back "target" where necessary
* [history] update to v4.5
- move legacy history to v2 folder
- fix dependent packages' package.json file to use legacy history v2
* [history] change dependents to support old history
* [history] fix updated dependents