removed mention of a PMD related change that was undone in rc-2
Move log warnings about ignored ivy file content down to debug level.

- Ideally, these should only be logged once when the module is actually resolved from a remote repository.
- Once we don't use ivy.xml for internal meta-data persistence, we should be able to move these messages up to WARN, I think.
- Also, used the correct string substitution characters for log messages
fix typo in 1.5 release notes (missing space).
Merge remote-tracking branch 'origin/master' into release
Handle {@literal} javadoc tags in DSL generation.
Some minor formatting.
Updated specs.
Updated the release notes template so that we remember to link to a contributor's github account.
Rename IProjectDescriptorRegistry to IProjectDescriptorRegistry and IProjectRegistry to ProjectRegistry.
REVIEW-2106: always check for build.gradle file when setupBuild is triggered. (Even when started with custom build script)
- remove duplicate test case
REVIEW-2103: create PluginRegistry at TopLevelServiceRegistry

- SettingsInternalServiceRegistry#createPluginRegistry creates child of toplevel pluginRegistry
- GradleInternalServiceRegistry#createPluginRegistry creates child of toplevel pluginRegistry
REVIEW-1982/REVIEW-2099: Add more coverage for applying scripts from settings and from init file
GRADLE-2583 - protect against CCE with instanceof check when building libc backed file system services on Linux and Mac OS (REVIEW-2111).
Use plugin classloader instead of root classloader in TopLevelBuildServiceRegistry#createPluginRegistry.
Some spec updates.
Revert "Cut section on incremental tasks out." - we are announcing it.

This reverts commit a08d68a3798eaed1c256ffe410e0eac981a12e4a.
Tweaks to the release notes on incremental tasks.

This includes a fat disclaimer that it's very likely to change in the near future.
Add a disclaimer to the incremental tasks user guide chapter to the effect that it is very likely to change in upcoming releases.
REVIEW-2104: change PathLimitationIntegTest to fail with plain java Process usage on windows.
Fix how incubating annotation is handled so that it doesn't break the more buttons on the website.

On the live website, a large leading offset margin is used to positively display the heading to the linking to it as an anchor accomodates for the fixed header.