cleaned up anchors
Appendix A - Bookmarklet: JS error, "TypeError: definition is undefined"
Fixes Issue #246
§4.1.3 Verb: 'verb' is an object
Minor indentation cleanup
$4.1.5, Duration: minor typo, wrong links to Wikipedia
Fixes Issue #236
§4.1, links to Wikipedia's ISO 8601: minor typos
Fixes Issue #235
minor signature fixes

* noted exceptions to equivalence check for statement signing
* fixed example signature
* noted newline format used to generate example signature
* fixed typo -- "definitio"
Merge pull request #253 from scara/v10_Bookmarklet_JS_Error

Appendix A - Bookmarklet: JS error, "TypeError: definition is undefined"
Merge pull request #254 from scara/v10_Duration_minor_typo_in_link

$4.1.5, Duration: minor typo, wrong links to Wikipedia
Merge pull request #255 from scara/v10_Minor_typos_links_Wikipedia_ISO8601

§4.1, links to Wikipedia's ISO 8601: minor typos
Merge pull request #256 from bscSCORM/sign

Minor signature fixes