Beta update: 1.2.4334 — J.A.C.K. Steam update #1386422

New feature: Object Browser (primitives, prefabs).New feature: "dark" color scheme support.New feature: new color scheme "Valve Hammer Editor (Dark)".New feature: configurable keys (shortcuts) in Preferences.New feature: toggle for model/sprite vs entity cube rendering.New feature: "cap holes" function + dialog for patches (Quake3).New feature: merge selected patches (Quake3).Added command-line switch to disable CrashReport (-nocrashrpt).Added alternate major grid line color.Improvement: "Thick Selection Outlines" setting for 2D views.Improvement: configurable coordinate export precision for MAP (6 decimal digits by default).Improvement: ability to copy and paste paths.Improvement: ability to change order of keyvalues in entities.Improvement: added grid size change shortcuts from VHE (Alt+A, Alt+S).Improvement: optimized color scheme related code.Improvement: optimized selection buffer f...