Updated examples of streams according to new schema.
Some issues of setupResponse in schema_localized/exi.xsd are also fixed (but not patched back to original exi.xsd yet)
regenerated EXI samples.
updated base schema for exi compression (in addition to cited XSD in XML file.)
XML files and EXI files are regenerated.
Now it expects configurationId based re-negotiation.

Filename convention of XML files now includes the schema. ???-base-*.xml corresponds to canonical_example00.xsd and ???-base+muc-*.xml corresponds to canonical_example01.xsd.
Merged some lost updates in 1b13aa-bc4487.

- XML-equivalent examples added for alternative communition.
- DNS SRV lookup: SHOULD->MUST, RECOMMENDED->SHOULD
- default alignment: bit-packed
- The section for recommended option is removed
- Added preprocessing and postprocessing section at the top of implementation notes
- Some discussions ([YD] FIXME in comments) added.
- Beginning of sessionWideBuffer is editted to clarify this is not an EXI option.
removed wrong examples for communication restart.
Recovered default schema section in implementation note. THIS IS STRONGLY REQUIRED FOR ALTERNATIVE BINDING.

schemaId for default schema is replaced undef urn:xmpp:exi:cs:default
removed unneccessary (agreed) implementation notes on schemaId.
Added(recoverd) shortcut setup for alternative binding using schemaId.
added EXI Option Header Examples for quick setups.
updated exi files and some XML files.
removed EXI event-level examples
added hexdump file (EXI headers removed if message is second or so)
examples are also copied to exi.xml
Merge remote-tracking branch 'github/master' into topic-ydedit-20130630

Conflicts:
	exi.xml
	exi.xsd

Almost all of conflicts are from indent conflict.
Some text added to shortcut setup section is also merged.
comment bug (-- in comment)
add a line to describe why we need patches
two more missing links added.
snapshot schema is added and some last-minute fix is also added
last minute fixes are
- rewritten EXI option section
- reference to snapshot schema as the default schema used in alternate binding
Merge pull request #3 from d0i/topic-ydedit-20130630

Topic ydedit 20130630