Remove node (#226)

* removed chain

* removed dependency on substrate

* Update bl_pool.go

* gofmt

* updated tests

* more testst

* Update server.go

* updated tests

Update Fula.podspec

Update properties.go

updated datastore to pebbleds from levelds

Ble hotspot (#223)

* BLE

* Update scan.go

* added test server file to run wap server

* Update server.go

* Update server.go

changed internal dir to internal/plugins for plugins

added plugin update method

corrected plugin on server side

temporary fix for pool join

due to chain sync some members cannot join pool. calling api.fula directly

enabled leep alives and remove max idle connections and max connectio…

…ns per host