[NEW_FEATURE] Make Notepad++ DPI-aware.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1172 f5eea248-9336-0410-98b8-ebc06183d4e3
[BUG_FIXED] Fix docking tab icon display position.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1173 f5eea248-9336-0410-98b8-ebc06183d4e3