Improve check-style target

[schst]

PHP_CodeSniffer should be used to automate the CS checks.

This requires, that we define exact coding styles and implement them as rules for PHP_CodeSniffer.

[mikey]

Changesets 1125 and 1126 imported a first version of this.

[mikey]

Some remarks after first test runs:

• There seems to be a problem with the indention in switch statements. See net::stubbles::events::stubEventsXJConfInitializer::getDescriptor() for an example.
• Missing doc comments seem not to be recognized, net::stubbles::ioc::stubBindingScope::getInstance() had no doc comment.
• Current rule for cast statements require no space after cast statement, but should be that a space is required. See net::stubbles::ipo::request::filters::stubFloatFilter::execute() for an example.
• Conditional includes with require should not be an error, see net::stubbles:util::ext classes.

[rist]

Fixed issues - except for switch statement because there are conflicting sniffs which interfere with each other. Docblock sniffs are also yet missing. I'll continue the work on this.

[rist]

switch statements work now with changeset:1173. Docblocks will be next ...

[mikey]

Meanwhile PHP_CodeSniffer 1.0 was released. One new feature is that you can specify the full path to a coding standard, which would allow us to remove the copy-standards target from our build file.

Unfortunately there was a change in our of the sniffs we are using, too: Squiz ClassDeclarationSniff now ensures there is one blank line after a class closing brace We need to replace this with our own, as we do not want blank lines after class closing braces.

[rist]

Updated PHP_CodeSniffer to v1.0 and removed unnecessary build targets. Omitted also SquizClassDeclarationSniff and created own sniff. Now there is only the check-style target... see changeset:1257 and changeset:1261.

[rist]

Coding Standards are now established, with these last improvements:

docblocks checks:

• file (changeset:1264)
• class (changeset:1264)
• var (changeset:1295)
• function (changeset:1300)

whitespace checks:

• trailing whitespace (changeset:1278)
• EOL (CR+LF disallowed) (changeset:1278)

misc:

• cross platform compatible (changeset:1280)
• file doc block -> class doc block equality / not file <- class (changeset:1278)
• switch for checking framework/test classes (changeset:1310)