Conditionally include Makefile.conf to allow vars overriding.
Setting JDK to JAVA_HOME (available on most Java boxes) if it's not set.
Add configuration for 64-bit Linux.
Add printvars target to display used configuration vars.
Add logs to ignored files.
Remove unneeded .gitignore.
Ignore all compiled class files.
Change classpath separator to colon.
Add check:jni to see various JNI debug messages.
Ignoring the jar.
Change invalid handle pointer to 64-bit.
Rename target jar to lowercase.
Add the "all" target to compile java sources.
Remove binary class file.
Remove executable attribute from non-executable sources.
Merge pull request #1 from pwojnowski/master

Updated Makefile to build jd2xx on Linux 64-bit