Create helsinki-theology

Added a style from Helsinki University's Faculty of Theology
Changed the filename and modified the info section.
Info section corrected
Update CSL-Ruby gem
Add spec to detect unused macros

Applied to all independent styles. Styles can be excluded
from this test by adding their id to the UNUSED_MACROS_FILTER
list.
Merge pull request #1044 from jukper/master

Create helsinki-theology
Delete more unused macros
Remove leftover XML comments
Merge pull request #1086 from inukshuk/remove-unused-macros

Remove unused macros
Update interdisziplinare-zeitschrift-fur-technologie-und-lernen.csl
Merge pull request #1087 from zuphilip/update-docu

Update interdisziplinare-zeitschrift-fur-technologie-und-lernen.csl
Remove more unused macros
Put CMoS styles on skip list for unused-macro check
Merge branch 'remove-unused-macros'
Remove unused macros
fix cite them right Harvard sorting (and locator label)
fix incorrect formatting, title casing

Fixed incorrect formatting for article-dictionary and article-encyclopedia values, and changed all titles to title casing
Fixed broken documentation link
Create tu-dresden-wiwi-german.csl
minor formatting changes

Changed a few minor formatting errors regarding placement of periods and commas