RevisionGraph: Add preview support and move preview windows to right bottom corner
tree2c751c1fd4d1cba5bd22296710603d93bd49b7a1
-rw-r--r-- 367 .gitignore
-rw-r--r-- 543 .gitmodules
drwxr-xr-x - Languages
-rw-r--r-- 3400 build.txt
drwxr-xr-x - common
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - ext
-rw-r--r-- 184 release.txt
drwxr-xr-x - src
drwxr-xr-x - test