Doxygen does not know type element and will recognize strings that
contain capital letter (all API types do) automatically as type.
This patch removes 15k doxygen warnings.

git ls-files | grep \\.idl | xargs sed -i "s,<type>\([^<]\+\)</type>,\1,"

Change-Id: I45c07cf0b115d5fb5353f4aa9719839615ea1150

    linecap: Reintegrating finished LineCap feature
    Work contributed by Regina Henschel
    http://svn.apache.org/viewvc?view=revision&revision=1232507

    i118815 - Deprecate service due to removed implementation
    Patch contributed by Ariel Constenla-Haile
    http://svn.apache.org/viewvc?view=revision&revision=1233320

    i118814 - Allow set timeout in Mail API
    Patch contributed by Ariel Constenla-Haile
    http://svn.apache.org/viewvc?view=revision&revision=1235679

    included in the Apache baseline:
    dr80: #i117511# remove some assertions in xlsx/xlsb import filters
    Patch contributed by Daniel Rentz

I used this "one-liner" to detect comment lines containing
only spaces and '=' or '-'

$ find . -name "*.*" -exec sed -i '/^\s*\/\/\s*[-=]*\s*$/d' {} \;

Change-Id: Iac589765c8c2e7c3ad9c487d57e48b4fd4439f07