broken due to removed dependency

[alberanid]

Since jfhbrook/node-ecstatic#255 the version ~0.4.5 of ecstatic has been removed from the repositories, breaking testling:

$ npm install testling
npm WARN deprecated [email protected]: use [cross-spawn](https://github.com/IndigoUnited/node-cross-spawn) or [cross-spawn-async](https://github.com/IndigoUnited/node-cross-spawn-async) instead.
npm ERR! Linux 4.15.0-48-generic
npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "install" "testling"
npm ERR! node v8.10.0
npm ERR! npm  v3.5.2

npm ERR! No compatible version found: ecstatic@~0.4.5
npm ERR! Valid install targets:
npm ERR! 4.1.2, 3.3.2, 2.2.2
npm ERR! 
npm ERR! 
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>

npm ERR! Please include the following file with any support request:
npm ERR!     /home/da/nodemerda/npm-debug.log

[alberanid]

npm restored all the removed versions, so everything should be ok again: jfhbrook/node-ecstatic#255 (comment)