JBDS-2790: Remove the nice themes from JBDS

[mickaelistria]

No description provided.

[nickboldt]

What about https://github.com/jbdevstudio/jbdevstudio-product/blob/master/plugins/com.jboss.jbds.product/build.properties#L12 ?

Also see refs to theming in these files:

./plugins/com.jboss.jbds.product/intro4/introContent.xml
./plugins/com.jboss.jbds.product/plugin_customization.ini
./plugins/com.jboss.jbds.product/plugin.xml
./plugins/com.jboss.jbds.product/themes/jbds/html/font-relative.css
./plugins/com.jboss.jbds.product/themes/jbds/html/shared.css
./plugins/com.jboss.jbds.product/themes/jbds/swt/createnew.properties
./plugins/com.jboss.jbds.product/themes/jbds/swt/gettingstarted.properties
./plugins/com.jboss.jbds.product/themes/jbds/swt/perspectives.properties
./plugins/com.jboss.jbds.product/themes/jbds/swt/root.properties
./plugins/com.jboss.jbds.product/themes/jbds/swt/standby.properties
./plugins/com.jboss.jbds.product/themes/jbds/swt/webresources.properties
./site/category.xml
./site/index.html

[nickboldt]

Merged in #79 #80 #81