ZF-6263 - Restricted Zend_Mime Header Encoding to only break after spaces since no other character can be objectively specified as "breakable" character. All unittests in regard to Zend_Mime and Zend_Mail header encoding still pass.
ZF-6263 - Restricted Zend_Mime Header Encoding to only break after spaces since no other character can be objectively specified as "breakable" character. All unittests in regard to Zend_Mime and Zend_Mail header encoding still pass.

git-svn-id: abaeb2b3ba5a94ed391a9405ad7d63d0414021c9@16032 44c647ce-9c0f-0410-b52a-842ac1e357ba

grzana12/ZendFramework,sandsmedia/zf,sandsmedia/zf,grzana12/ZendFramework,grzana12/ZendFramework,grzana12/ZendFramework,sandsmedia/zf