Move to lulpeg, update readme and rockspecs

We decided to switch to `lulpeg` for now.
It is written in lua and appears to be more stable then lpeg,
which happen to crash under tarantool (or luajit). Additional
research on this topic is needed.

Also, unlike lpeg, lulpeg is available in tarantool ecosystem.

We may return to the topic lpeg/lulpeg later, when performance issues
pops up.

Removed graphql/package.lua, since there are no plans to distribute
package through lit right now.

Author: RunsFor

README.md

@@ -1,18 +1,15 @@
-GraphQL Lua [![Join the chat at https://gitter.im/bjornbytes/graphql-lua](https://badges.gitter.im/bjornbytes/graphql-lua.svg)](https://gitter.im/bjornbytes/graphql-lua?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-===
+Lua implementation of GraphQL for Tarantool
+===========================================
+
+Lua implementation of GraphQL for Tarantool. It is based on [graphql-lua](https://github.com/bjornbytes/graphql-lua).
 
-Lua implementation of GraphQL.
 
 Installation
 ------------
 
-1. Using luvit
-
-        lit install bjornbytes/graphql
-    
-2. Using luarocks
-
-        luarocks install graphql
+```bash
+tarantoolctl rocks install https://raw.githubusercontent.com/tarantool/graphql/master/graphql-scm-1.rockspec
+```
 
 Example
 ---
@@ -106,8 +103,9 @@ Status
 Running tests
 ---
 
-```lua
-lua tests/runner.lua
+```bash
+tarantoolctl rocks make # optionally
+tarantool tests/runner.lua
 ```
 
 License

graphql-0.0.1-1.rockspec

@@ -1,20 +1,20 @@
 package = 'graphql'
-version = '0.0.2-1'
+version = 'scm-1'
 
 source = {
-  url = 'git://github.com/bjornbytes/graphql-lua.git'
+  url = 'git://github.com/tarantool/graphql.git'
 }
 
 description = {
-  summary = 'Lua GraphQL implementation',
-  homepage = 'https://github.com/bjornbytes/graphql-lua',
-  maintainer = 'https://github.com/bjornbytes',
+  summary = 'GraphQL implementation for Tarantool',
+  homepage = 'https://github.com/tarantool/graphql',
+  maintainer = 'https://github.com/tarantool',
   license = 'MIT'
 }
 
 dependencies = {
   'lua >= 5.1',
-  'lpeg'
+  'lulpeg',
 }
 
 build = {

graphql-0.0.2-1.rockspec renamed to graphql-scm-1.rockspec

@@ -1,4 +1,4 @@
-local lpeg = require 'lpeg'
+local lpeg = require 'lulpeg'
 local P, R, S, V = lpeg.P, lpeg.R, lpeg.S, lpeg.V
 local C, Ct, Cmt, Cg, Cc, Cf, Cmt = lpeg.C, lpeg.Ct, lpeg.Cmt, lpeg.Cg, lpeg.Cc, lpeg.Cf, lpeg.Cmt