Update install instructions + remove build on tag

.travis.yml

@@ -49,22 +49,3 @@ deploy:
 
     on:
       branch: master
-  - provider: releases
-    edge: true
-    file: dist/opensourcepos.$version.$rev.zip
-    name: "OpensourcePos $version"
-    release_notes_file: CHANGELOG.md
-    prerelease: true
-
-    user: jekkos
-    overwrite: true
-    api_key:
-      secure: "KOukL8IFf/uL/BjMyCSKjf2vylydjcWqgEx0eMqFCg3nZ4ybMaOwPORRthIfyT72/FvGX/aoxxEn0uR/AEtb+hYQXHmNS+kZdX72JCe8LpGuZ7FJ5X+Eo9mhJcsmS+smd1sC95DySSc/GolKPo+0WtJYONY/xGCLxm+9Ay4HREg="
-
-    branches:
-      except: 
-       - unstable
-       - /unstable.*/
-    on:
-      tags: true
-      branch: master

INSTALL.md

@@ -15,7 +15,6 @@ First of all, if you're seeing the message `system folder missing` after launchi
 3. Execute the file `database/database.sql` to create the tables needed.
 4. Unzip and upload Open Source Point of Sale files to the web-server.
 5. Open `app/Config/database.php` and modify credentials to connect to your database if needed.
-6. Open `app/Config/config.php` and swap the encryption key with your own.
 7. Go to your install `public` dir via the browser.
 8. Log in using
    - Username: admin