Lmod 7.6.x, bugfixed .spec and paraphernalia; attempt to deliver SETTARG for all

[fgeorgatos]

This PR handles several outstanding issues with Lmod .spec file and resulting .rpm It should result into the final changeset before passing all initially defined validation checks.

Possible next TODOs:

• [x] Pass via hermes tests once more
• [x] Pass via EasyBuild tests once more
• [x] Fix reference to use.own
• [x] add http://lmod.readthedocs.io/en/latest/140_deprecating_modules.html?highlight=LMOD_ADMIN_FILE
• [x] enable settarg by default
• [x] Maybe deprecate /etc/site/extras and drop L99? [DONE] as of 569e80f

ref. /home/fotis/rpmbuild/RPMS/noarch/Lmod-7.5.3-68_a7d0ac3_cm7.0_el7.noarch.rpm or later

ref. testing: https://github.com/Bright-Computing/bic/issues/6#issuecomment-309900167

[fgeorgatos]

hermes tests pass, but one (the infamous bash-related one):

[fotis@demo2 Lmod_test_suite]$ date
Tue Jun 20 23:07:07 CEST 2017
[fotis@demo2 Lmod_test_suite]$ git branch -av
* master                89d8f78 moving to TAG_VERSION 1.5
  remotes/origin/HEAD   -> origin/master
  remotes/origin/master 89d8f78 moving to TAG_VERSION 1.5
[fotis@demo2 Lmod_test_suite]$ time tm .
TM Version: 1.7

Starting Tests:

     Started : 23:07:11 tst: 1/5 P/F: 0:0, rt/avail/does_avail_work/t1
      passed : 23:07:12 tst: 1/5 P/F: 1:0, rt/avail/does_avail_work/t1

     Started : 23:07:12 tst: 2/5 P/F: 1:0, rt/int_subshell/does_an_int_subshell_work/t1
        diff : 23:07:12 tst: 2/5 P/F: 1:1, rt/int_subshell/does_an_int_subshell_work/t1

     Started : 23:07:12 tst: 3/5 P/F: 1:1, rt/load/does_load_work/t1
      passed : 23:07:13 tst: 3/5 P/F: 2:1, rt/load/does_load_work/t1

     Started : 23:07:13 tst: 4/5 P/F: 2:1, rt/subshell/does_a_subshell_work/t1
      passed : 23:07:14 tst: 4/5 P/F: 3:1, rt/subshell/does_a_subshell_work/t1

     Started : 23:07:14 tst: 5/5 P/F: 3:1, rt/exist/does_module_exist/t1
      passed : 23:07:14 tst: 5/5 P/F: 4:1, rt/exist/does_module_exist/t1

Finished Tests

**************************************************************************************************************************************
*** Test Results                                                                                                                   ***
**************************************************************************************************************************************

Date:             Tue Jun 20 23:07:11 2017
TARGET:
Tag:              2017_06_20
TM Version:       1.7
Hermes Version:   2.6
Lua Version:      Lua 5.1
Total Test Time:  00:00:02.86

**************************************************************************************************************************************
*** Test Summary                                                                                                                   ***
**************************************************************************************************************************************

Total:   5
diff:    1
passed:  4

*******  *  ****   *********                                     ***************
Results  R  Time   Test Name                                     version/message
*******  *  ****   *********                                     ***************
passed   R  0.437  rt/avail/does_avail_work/t1
passed   R  0.37   rt/exist/does_module_exist/t1
passed   R  0.53   rt/load/does_load_work/t1
passed   R  0.858  rt/subshell/does_a_subshell_work/t1
diff     R  0.664  rt/int_subshell/does_an_int_subshell_work/t1

*******  ****************
Results  Output Directory
*******  ****************
diff     /home/fotis/Lmod_test_suite/rt/int_subshell/t1/2017_06_20_23_07_11-Linux-x86_64-does_a_subshell_work

real    0m2.976s
user    0m1.830s
sys 0m1.184s
[fotis@demo2 Lmod_test_suite]$

[fgeorgatos]

lgtm, merging

[fgeorgatos]

ok, i've merged this since it is a prerequisite for settarg investigations and it coincides with our 2017q3 production configuration, pretty well.