* misc/pandora_file.[cc,h]: Added a function to check the existance of
a file.
* pandora_ssh_tesct.cc: Check if private and public key files exists
when doing the test.
* bin/PandoraAgent.exe: Updated to new commit.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@302 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
45278c0fd2