Removed ids on elements that occur in a glossary so there is no chance for duplicate ids

A `cnx:definition` element that occurs in the `cnx:content` element was
being cloned (with ids) and inserted into the glossary causing the EPUB
generation to fail
Merge pull request #43 from Connexions/glossary-duplicate-ids

Removed ids on elements that occur in a glossary so there is no chance f...
Added documentation for removing glossary ids
indent subsequent feature paras again
no more 2col specific rules in base
Update css/ccap-base.less

broke protocol to remove obsolete 2col bio rules that keep getting merged to master. apologies
compiled new css after removal of obsolete 2col bio rules removed
Merge branch 'master' into bugfixes-sprint11
declared figure title color - nonmajors feature figure > title were inheriting black  value from feature > title
removed incorrect subfigure code I added months ago, which does nothing
center subfigure captions
eoc summary counter fixed
do not indent 1st p in eoc summary section adjust p margins
latest compiled bio style
Merge branch 'bugfixes-sprint11' into dev

Conflicts:
	css/ccap-biology.css
	css/ccap-biology.less
	css/ccap-sociology.css