allows to style buttons as though internal links

by assigning class="tc-btn-invisible tc-tiddlylink"
documentation for making buttons look like links

added instructions to button widget documentation
Filename will now be set to "tiddlywiki.html" when path does not contain a filename.
Update Using Stylesheets.tid

added documentation for html in StyleSheets

https://groups.google.com/d/msg/tiddlywiki/Qx0y7btud5M/Ch6hMnh0ud0J

simplified the specificity section, some rewording
Remove unused local variables
Merge pull request #1238 from Drakor/fixDownloadSavingHandler

Filename will now be set to "tiddlywiki.html" when path does not contain...
updated documentation for link-button
Merge pull request #1228 from tobibeer/button.tc-tiddlylink

allows to style buttons as though internal links
Updated Dutch translation

Thanks @gernert

I’ve not updated GettingStarted because I plan to do one final
redrafting before 5.1.6.

I’ll put up a prerelease for you to play with in a couple of hours when
I get to better wifi!
Proposing to change to a more appropriate tag / category

From "Feature" To "Customise TiddlyWiki"
Little typo corrections
Refine node vs. browser behaviour

Now we’re using TiddlyWiki as the core of TiddlyDesktop we need more
granular control of the platform specific code.
Improve buffer allocation for copying files in utils/filesystem.js
Simplify GettingStarted

GettingStarted doesn’t seem like the right place for a tutorial on
using TiddlyWiki. The idea now is to link back to tiddlywiki.com
instead.
Merge pull request #1244 from Spangenhelm/patch-2

Little typo corrections
Merge pull request #1240 from tobibeer/patch-3

Update Using Stylesheets.tid
Docs tweaks
Merge pull request #1243 from Spangenhelm/patch-1

Proposing to change to a more appropriate tag / category
Force filenames for downloading empty and full wikis
Release note update