add header for MSVC 2013 compatibility
clean cache command added
clean cache when exit
add tiles
Merge branch 'master' of https://github.com/lheric/GitlHEVCAnalyzer

Conflicts:
	src/src.pro
Merge pull request #12 from menyangyang/master

Add tiles
rename parameter name
Merge branch 'master' of https://github.com/lheric/GitlHEVCAnalyzer
fix build error
improve intra filter (angular mode)
Tile related structure refactored
sort filter by dragging
add tool bar in main window
1. display resolution info
2. zooming info
3. reset zooming buttion
add config to tile filter
update about dialog and read me
update read me
Update README.md
modify button size
Merge branch 'master' of https://github.com/lheric/GitlHEVCAnalyzer
fix plugin filter item drag remove bug