Missile trails, and over a hundred new mech variants to shoot at!

This release has quite a few goodies, read on below for details!

New Features:

• Over 100 new variants of existing mech chassis
• Improved unit selection dialog to make variant selection and filtering better
• Added smoke trail effects to all missile launcher projectiles (LRMs, SRMs)
• Improved automatic panning to focus on weapons fire before continuing to next turn unit (Issue #25)
• Added version number link to release page at bottom of game index page

Bug Fixes:

• Fixed #1, Charging is allowed even when the hex cannot be entered due to elevation
• Fixed animated zoom behaving strangely
• Fixed rare issue where deleting the chat user from the database would cause a table locking exception