ignore png files
do not display SshSessionFactory instance, add nice comment
add example for commit message with quotes and add example that does not work
update MATLABPROGRESSMONITOR constant with shorter jar-file names

* add comments why MATLABProgressMonitor and UserInfoSshSessionFactory
are needed.
* Check for UserInfoSshSessionFactory.jar in "javaclasspath.txt"
* write UserInfoSshSessionFactory.jar path in new javaclasspath.txt
* add UserInfoSshSessionFactory.jar path in existing javaclasspath.txt
* Add first time message to set up SSH keys with link to putty gen.
* add warnings for missing user info
* add warning for missing ssh passphrase
* wrap long lines
* use char to conver java.io.File to MATLAB char
add to first time message to set user name and email.