RFR: JDK-8214139: Remove wrapper methods from {Base,Html}Configuration

[Hannes Wallnöfer]

Looks good.

Hannes

> Am 20.11.2018 um 23:19 schrieb Jonathan Gibbons <jonathan.gibbons at oracle.com>:
> 
> Please review a conceptually simple cleanup for the doclet code.
> 
> The change is:
> 
> 	• replace all uses of all overloads of Configuration.getText with the underlying implementation of Resources.getText
> 	• replace all uses of all overloads of Configuration.getContent with the underlying implementation of Contents.getContent
> 	• remove all overloads of Configuration.getText
> 	• remove all overloads of Configuration.getContent
> The change is mostly mechanical, via an IDE, with some minor manual fixup. The most notable manual change is to defer initializing Extern so that we can cache Configuration.getResources.
> 
> The changes are all very localized, so it may be easy to read the overall patch, or the Udiffs in the webrev than the side-by-side diffs.
> 
> noreg-cleanup, so no tests. All the tests still pass, and "make docs" is the same before and after.
> JBS: https://bugs.openjdk.java.net/browse/JDK-8214139
> Webrev: http://cr.openjdk.java.net/~jjg/8214139/webrev.00/
> 
> -- Jon