Merge branch 'maint'

* maint:
  git-read-tree: document -v option.
  Remove exec bit from builtin-fast-export.c

diff --cc Documentation/git-read-tree.txt
Simple merge

diff --cc builtin-fast-export.c
index 1dfc01e8f009968ef5d6118bffed7818e736576c,4ab93fcf780c100f9af3bb6d4ddf3cbe86f73b3d..1dfc01e8f009968ef5d6118bffed7818e736576c
mode 100755,100644..100644
--- 1/builtin-fast-export.c
--- 2/builtin-fast-export.c
+++ b/builtin-fast-export.c