update tinyxml2 to 1.0.14
rename putty sources
Putty: fix warning
update apr to 1.5.0
CMakeLists.txt: update apr to 1.5.0
ChangeLog: update
update openssl to 1.0.1f
openssl: apply custom NetBox patches
ChangeLog: update
version info: update
Putty: apply WinSCP 5.5.1 patches
openssl: apply WinSCP 5.5.1 patches
core: sync with WinSCP 5.5.1
version info: update
fix crash when using DSA private key to log in with ssh
SessionData: Fix parsing URL paths
Fix incorrect dialog sizes when using Far /w switch
Fix not using LIST -A for UseMlsd=Auto and non-MLSD-supporting servers
version info: update
Merge remote-tracking branch 'origin/master'

* origin/master:
  fix crash when using DSA private key to log in with ssh