Apex DC++ 1.0.1

Changes in ApexDC++ 1.0.1:
- Merge: StrongDC++ 2.12 (stable)
- Fixed: Partial file sharing for completed files (no longer shares chunks after completion)
- Feature: Plugin API (view documentation)
- Change: A few minor fixes and improvements
- Change: Code cleanup for stable release
- Installer: Automatically installs gdiplus.dll depentency for pre-XP users
- Installer: Upgraded to NSIS 2.35