This commit refactors and adds a new build option to the docs build
script/Makefile, these options are:
- plain-html: the plain html docs, without css and navigation bar, this
was "the" html build before this change.
- asf-site-html: html docs, with css and navigation bar.
- pdf
The css is comming from DITA project's documentation.
Testing:
- Built the docs and tested the pages manually.
Change-Id: Ic9621cb0abaa7fd9bf445da08440c0f6a9788180
Reviewed-on: http://gerrit.cloudera.org:8080/19242
Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
