Update changelog and package json

* Publishing v2.0.0
* Adds prepublish script

CHANGELOG.md

@@ -1,9 +1,12 @@
-## [Unreleased]
+## [2.0.0] - 2016-12-30
+**Incomatible with older versions**
 ### Changed
     - Moves AES implementation to outer package zaes-js
     - Replaces inner compresser with lz-string.js
     - Replaces inner rsa implementation with node-rsa
     - Removes unused code(hash, utils)
     - Changes module start script
 ### Adds 
-    - keys module for generating AES and RSA keys
+    - keys module for generating AES and RSA keys
+### Removed
+    - Own RSA, AES and compression implementations

package.json

@@ -18,7 +18,7 @@
   },
   "name": "sttp",
   "description": "STTP - new generation Secure TBM Transfer Protocol. STTP works over HTTP and it very similar to TLS. It is a kind of poor copy of HTTPS.",
-  "version": "1.1.0",
+  "version": "2.0.0",
   "main": "index.js",
   "directories": {
     "test": "test"
@@ -30,7 +30,8 @@
     "analyze-coverage": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec ",
     "send-coverage":"cat ./coverage/lcov.info | ./node_modules/.bin/codacy-coverage",
     "coverage":"npm run analyze-coverage && npm run send-coverage",
-    "browserify": "echo 'there will be broserify soon'"
+    "browserify": "echo 'there will be broserify soon'",
+    "prepublish": "npm run compile && npm run browserify"
   },
   "repository": {
     "type": "git",