[rfc][icedtea-web] rust launcher made able to find JRE from path

[Alex Kashchenko]

Hi,

On 1/10/19 2:17 PM, Jiri Vanek wrote:
> On 1/10/19 3:07 PM, Jiri Vanek wrote:
>> This patch moving jre detection from main to utils.
>> I addition it is adding ability to scan path, and find jre on it, if the build is *not* distribution
>> one.

In get_jdk_from_path_conditionally it may be better to call 
get_libsearch only once.

In get_jdk_from_path - I suggest factoring it a bit, long closure three 
levels deep looks ugly.

Besides that patch is good to me.

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-- 
-Alex