devel/objecthash: update to 20160802 and takover maintaniership

[ultima]

Summary

• Updated to 20160802
• New maintainer Jov <[e-mail]>
• Moved BROKEN_*, BROKEN_*(13.1.5) comes before *_DEPENDS(13.1.6)[1]
• Sorted USES, Keep related varibles together(13.1.7)[1]

Changelog: http://site.icu-project.org/download/59

[1] https://www.freebsd.org/doc/en/books/porters-handbook/porting-samplem.html#porting-samplem-order

PR\: 220554
Sumitted by\: Jov <[e-mail]> (maintainer)
Reviewed by\: lifanov (mentor), matthew (mentor)
Approved by\: lifanov (mentor), matthew (mentor)
Differential Revision\: https://reviews.freebsd.org/DXXXXX

Test Plan

portlint:
WARN: Makefile: [12]: possible direct use of command "file" found. use ${FILE} instead.
WARN: Makefile: for new port, make $FreeBSD$ tag in comment section empty, to make SVN happy.
WARN: Makefile: "LIB_DEPENDS" has to appear earlier.
0 fatal errors and 3 warnings found.
All false positive.

poudriere:
103i386
103amd64
110i386
110amd64
12i386
12amd64

[lifanov]

Looks good to me!