Reviewed by darin
        
        <rdar://problem/5046875> 
        Gmail Editor: Applying alignment to selected text in message also applies alignment to signature

        Added:
        * editing/style/5046875-1-expected.checksum: Added.
        * editing/style/5046875-1-expected.png: Added.
        * editing/style/5046875-1-expected.txt: Added.
        * editing/style/5046875-1.html: Added.
        * editing/style/5046875-2-expected.checksum: Added.
        * editing/style/5046875-2-expected.png: Added.
        * editing/style/5046875-2-expected.txt: Added.
        * editing/style/5046875-2.html: Added.
        moveParagraphs doesn't move unnecessary brs:
        * editing/style/create-block-for-style-002-expected.txt:
        * editing/style/create-block-for-style-004-expected.txt:
        * editing/style/create-block-for-style-001-expected.txt:
        * editing/style/create-block-for-style-009-expected.txt:
        * editing/style/create-block-for-style-010-expected.txt:
     ...