input-forms.xml: Remove ILRI forms

We will now use the generic input forms.
input-forms.xml: Use default forms for Nile Basin
xmlui: Add new metadata fields to CRP3.7 theme
xmlui: Clean up whitespace in CRP3.7 item-view.xsl

In vim, for tab/space mix:

    :retab

Then in sed, for blank lines with spaces:

    sed -i 's/^[ \t]*$//' dspace/modules/xmlui/src/main/webapp/themes/CRP3.7/lib/xsl/aspect/artifactbrowser/item-view.xsl
Merge branch '3_x-dev-crp37' into 3_x-dev
Merge branch '3_x-dev-forms' into 3_x-dev
news-xmlui.xml: Update welcome page text
input-forms.xml: Add SOCIAL LEARNING subject to ILRI and CCAFS submission forms
Merge branch '3_x-dev' into 3_x-prod
Merge branch '3_x-dev' into 3_x-prod
Merge branch '3_x-dev' into 3_x-prod
Merge branch '3_x-dev' into 3_x-prod
Update community id for WLE