fix: fix ipfsd.init return value (#291)

init should return ipfsd instance in the callback but didn't

closes #289

Author: hugomrdias

README.md

@@ -201,7 +201,7 @@ Initialize a repo.
   - `directory` (default IPFS_PATH if defined, or ~/.ipfs for go-ipfs and ~/.jsipfs for js-ipfs) - The location of the repo.
   - `pass` (optional) - The passphrase of the key chain.
 
-`callback` is a function with the signature `function (Error, ipfsd)` where `err` is an Error in case something goes wrong and `ipfsd` is the daemon controller instance.
+`callback` is a function with the signature `function (err, ipfsd)` where `err` is an Error in case something goes wrong and `ipfsd` is the daemon controller instance.
 
 #### `ipfsd.cleanup(callback)`
 
@@ -215,7 +215,7 @@ Start the daemon.
 
 `flags` - Flags array to be passed to the `ipfs daemon` command.
 
-`callback` is a function with the signature `function(err, ipfsApi)` that receives an instance of `ipfs-api` on success or an instance of `Error` on failure
+`callback` is a function with the signature `function(err, ipfsApi)` that receives an instance of `Error` on failure or an instance of `ipfs-api` on success. 
 
 
 #### `ipfsd.stop([timeout, callback])`

src/ipfsd-client.js

@@ -95,7 +95,7 @@ class DaemonClient {
         }
 
         this.initialized = res.body.initialized
-        cb()
+        cb(null, this)
       })
   }
 

src/ipfsd-daemon.js

@@ -187,7 +187,7 @@ class Daemon {
         if (err) { return callback(err) }
         this.clean = false
         this.initialized = true
-        return callback()
+        return callback(null, this)
       })
     })
   }

src/ipfsd-in-proc.js

@@ -162,7 +162,7 @@ class Node extends EventEmitter {
         if (err) { return callback(err) }
         self.clean = false
         self.initialized = true
-        return callback()
+        return callback(null, this)
       })
     })
   }