bin/ahd-generate-dictz.pl: comment it
bin/bhj-help-it: help with android:attr'
bin/org2pdf: do not start emacs because it is slow
bin/refactory-rename: add an option for no Perl regexp
doc/presentations/android-dev.org: finished android dev

Signed-off-by: Bao Haojun <baohaojun@gmail.com>