introduce primative testcases for new builder docs
Merge branch 'master' of https://github.com/jnorthr/groovy-core
chg module name to avoid namespace collision
GROOVY-6966: Type cast methods for Collection classes.
add Builder topic to my list to be documented
jcenter switched to ssl
Add 'Server' keyword to title

add this keyword for better searches by external tools
GROOVY-3457: Preparing for addition of new StreamingTeamplateEngine

o Enabling selective suppression of specific checkstyle rules for specific code
o Enabling the spock unit testing framework for the groovy-templates subproject
GROOVY-3457: Adding new StreamingTemplateEngine to address >64k issues

As per the issue, the current template engine implementations throw
exceptions for data > 64k. Code ported from a separate github repo at:

https://github.com/mbjarland/groovy-streaming-template-engine
add groovy-contribution images
GROOVY-6824: StreamingJsonBuilder rewrited
add hot-to-contribute tutorial
Updated IO to explicitly implement Closeable

It has a close() throws IOException already, so might as well have it sign that contract.
change 1.5.0 reference into 1.4.0

fix spelling mistake
GROOVY-7119 GROOVY-7120 GROOVY-6344: fix verious errors with invalid characters in class names
prevent static compiler to use 1.8 callsite caching
Documentation fix for the constructor javadoc

Added escaping for ampersands (&) in the constructor javadoc for the CR/LF characters, so the generated HTML does not show the literal characters, and shows the escape sequence.
GROOVY-6989: skip generated call(Object[]) method for GeneratedClosure
Merge pull request #524 from paul-bjorkstrand/patch-1

Documentation fix for the constructor javadoc
GROOVY-7122: enable typechecker passing for Iterable usage in for-in loop