Patch by Frank Wein <bugzilla@mcsmurf.de>, r=me

Bug 76507: Replace "owner" by "assignee" (and "initial" by "default") - Patch by Tiago R. Mello <timello@async.com.br> r=LpSolit a=myk

Documentation patch for bug 274220: Provide additional documentation about creating custom templates; patch by Shane H. W. Travis <travis@sedsystems.ca>, r=vladd.

Bug 253720 - The docs now specify that it is required to run ./checksetup.pl after adding a template to the custom directory.
Patch by Shane H. W. Travis <travis@sedsystems.ca>
r=jake

Documentation patch for bug 262320: Provide documentation for list/tables.html.tmpl; patch by Shane H. W. Travis <travis@sedsystems.ca>, r=vladd.

Patch for bug 177993: Point out that the mid-air collision message is customizable; patch by Shane H. W. Travis <travis@sedsystems.ca>, r=vladd.

Documentation patch for bug 257692: link directly to the final URL for the developer's guide; patch by Shane H. W. Travis <travis@sedsystems.ca>; r=vladd.

Bug 239112 - docs patch to give min. version of TT for hooks. Patch by nick.barnes; r=gerv, a=justdave.

Fix for bug 233245: replace "variable" with "constant" since there is no contenttypes variable in Constants.pm.

Patch for bug 233245: update documentation of formats to include ctypes as well; patch by Niels Reedijk <n.reedijk@planet.nl> slightly modified by me.

Patch for bug 233295: document terminology customization feature; patch by Jon Wilmoth <jwilmoth@starbucks.com> slightly updated by me.

improved readability (for both readers and editors); added docbook tags for variables, literals, and inline code; corrected a few errors, regressions, and typos; and added section explaining applicability of hooks for installation customizers

Bug 230742 - document new 'hooks' mechanism. This is my take on Myk's text - probably still needs further polish.