Delimit the lines of java classpath by newlines
Actually create javaclasspath.txt if it doesn't exist

...otherwise an exception was caught when trying to textscan with fid ==
-1
Check to make sure the file doesn't exist already
Merge pull request #23 from zacklb/postinstall-fix

Parse the java classpaths with a newline delimiter
Merge pull request #116 from kleinerm/master

Merge post-install fix for Jave setup from zacklb.
Merge pull request #117 from Psychtoolbox-3/master

PTB BETA RELEASE "Rainbows, Droids & Compute Hippies!" SP3
* Make java path setup in postinstall routine more robust against users doing weird things. [Fix by zacklb]