Fix typo in endpoints.go

closes #394

Author: cpacia

api/endpoints.go

@@ -24,7 +24,7 @@ func post(i *jsonAPIHandler, path string, w http.ResponseWriter, r *http.Request
 	switch {
 	case strings.HasPrefix(path, "/ob/listing"):
 		i.POSTListing(w, r)
-	case strings.HasPrefix(path, "/ob/purpose"):
+	case strings.HasPrefix(path, "/ob/purchase"):
 		i.POSTPurchase(w, r)
 	case strings.HasPrefix(path, "/ob/follow"):
 		i.POSTFollow(w, r)

npm-debug.log

@@ -0,0 +1,24 @@
+0 info it worked if it ends with ok
+1 verbose cli [ '/usr/local/bin/node', '/usr/local/bin/npm', 'start' ]
+2 info using [email protected]
+3 info using [email protected]
+4 verbose stack Error: missing script: start
+4 verbose stack     at run (/usr/local/lib/node_modules/npm/lib/run-script.js:147:19)
+4 verbose stack     at /usr/local/lib/node_modules/npm/lib/run-script.js:57:5
+4 verbose stack     at /usr/local/lib/node_modules/npm/node_modules/read-package-json/read-json.js:345:5
+4 verbose stack     at checkBinReferences_ (/usr/local/lib/node_modules/npm/node_modules/read-package-json/read-json.js:309:45)
+4 verbose stack     at final (/usr/local/lib/node_modules/npm/node_modules/read-package-json/read-json.js:343:3)
+4 verbose stack     at then (/usr/local/lib/node_modules/npm/node_modules/read-package-json/read-json.js:113:5)
+4 verbose stack     at /usr/local/lib/node_modules/npm/node_modules/read-package-json/read-json.js:300:12
+4 verbose stack     at /usr/local/lib/node_modules/npm/node_modules/graceful-fs/graceful-fs.js:78:16
+4 verbose stack     at tryToString (fs.js:449:3)
+4 verbose stack     at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:436:12)
+5 verbose cwd /home/chris/workspace/go/src/github.com/OpenBazaar/openbazaar-go
+6 error Linux 4.4.0-62-generic
+7 error argv "/usr/local/bin/node" "/usr/local/bin/npm" "start"
+8 error node v6.0.0
+9 error npm  v3.8.6
+10 error missing script: start
+11 error If you need help, you may report this error at:
+11 error     <https://github.com/npm/npm/issues>
+12 verbose exit [ 1, true ]