[threeten-dev] tzdb compiler on boot-jdk

[Xueming Shen]

Current approach to build tzdb data is a no-go from build and embedded team.

Here is the webrev that to have the tzdb compiler works with a set of strip-down
JSR310 class to generate the tzdb.jar on the boot_jdk, which is assumed to be
a early jdk release that does not have any jdk8 feature. I also remove the leak
second from tool and the date.

The code probably need further clean-up.  But I will spend most of the time today
to make sure the correctness of the output (the tests are all past, but I will verify
the output is identical to the output from the "normal" version)

http://cr.openjdk.java.net/~sherman/jdk8_threeten/tzdb_v2/

-Sherman