i'm getting the same problem
my installation of google-webdesigner stops at
Selecting previously unselected package google-webdesigner.
(Reading database ... 200671 files and directories currently installed.)
Preparing to unpack google-webdesigner_current_amd64.deb ...
Unpacking google-webdesigner (1.0.1.0-1) ...
Setting up google-webdesigner (1.0.1.0-1) ...
Processing triggers for gnome-menus (3.10.1-0ubuntu2) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu1) ...
Processing triggers for bamfdaemon (0.5.1+14.04.20140409-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for mime-support (3.54ubuntu1) ...
user@user:~/Downloads$
Setting up google-webdesigner (1.3.10.0-1) ...
/var/lib/dpkg/info/google-webdesigner.postinst: 46: /var/lib/dpkg/info/google-webdesigner.postinst: gconftool-2: not found
dpkg: error processing package google-webdesigner (--configure):
subprocess installed post-installation script returned error exit status 127
Errors were encountered while processing:
google-webdesigner
E: Sub-process /usr/bin/dpkg returned an error code (1)
Our package scripts do call out to gconftool-2 to setup a custom url handler which allows template links to launch GWD. You could try removing those calls from the script and re-archive the deb package.
John
GWD Team