Log Message:
Changes 0.4.0:
   * A lot of refactoring and cleanup was made
   * Some parts of interface were recreated using GORM
   * Most part of Project Inspector is completed
   * Finished Loaded Files and appropriate menu items
   * Stability issues fixed in Project Builder
   * Interaces fixes were made in Project Launcher
   * Added subprojects support
   * Preferences recreated and cleaned up.
   * Many browser fixes were made in Project Window
   * Much time was spent to fix stability problems
   * Added "Aggregate" project type
   * "Application" and "GormApplication" project types merged
     into "Application" project type