Improvements site administration OpenCart ocStore 1.5.5.1.2

You need to make a set of works for site improvements:
To compile and discuss all the improvements . A multiple of what is required on items:
1. To add characteristic to the database and display them (display) in catalog

2. Make a unique YML file to upload (uniqueness in terms of pricing) which can be set for all invented by the parameters(date, time) and can be applied to a specific product, group of products.
3. Alteration of the characteristics of the goods for the YML , to adequately discharge parameters at all sites Ala Rosette prom.
4. "Pump" the search display after a group search goods (Ala the filter) At filter product no.

5. Minor improvements in functionality / design

Attention! Revision, updating the site required often this is searched for the person who will deal with the website on a rolling task. NECESSARILY experience with opencart and a good rating only from Ukraine!