Web Hosting Star support

Features and Improvements:
- Improved work with a pool of SSH connections when interacting with Unix boxes;
- Ability to make changes to XMLs through additional custom XML files by means of XML Merger;
- Test mode added for the 2checkout merchant gateway;
- 2Checkout merchant gateway URL changed for all merchants with merchant ID > 200000;
- The H-Sphere-Winbox interaction via SOAP interface enhanced by restoration of broken SOAP connections and timeouts to SOAP connections;
- H-Sphere packaging system improved with a few methods for creating necessary temp directories and unpacking .jar files directly through Java classes.

Improvements in the H-Sphere user's CP mail interface:
- Fixed validation of e-mail mask when filling white/black lists;
- Fixed resource price estimation routines when adding resources;
- The "Use mail domain antispam preferences" checkbox moved to a separate section.

Bugfixes:
- Problem with suspending user's accounts upon reaching disk usage limit fixed;
- Background Job manager made inaccessible for reseller's administrator accounts;
- Fixed problem with changing end user mailbox password for domains with subdomains;
- Double running of H-Sphere cron jobs fixed;
- Fixed problem with RevenueCron not processing reseller's data;
- Disappearing of Miva Edit icon fixed;
- Incorrectly named label on the custom registrar page fixed;
- Fixed link to the quick access page for XPressia and XPressia Light designs.