Visual D 1.5.0

Changes since v1.5.0-rc2:

• dmdserver:
  • improve intellisense in __traits
  • define version VisualDServer to allow ensuring template instances
  • removed more stale pointers reducing memory requirements
  • updated to dmd 2.114-beta1
• fix reading ldc2.conf for LDC 1.42+ from subdirectories
• full installer now bundled with DMD 2.113.0 and LDC 1.43.0