Merge pull request #1529 from brucefan1983/5.4

5.4

Merge pull request #1504 from duanzaixu/gitpr

Update Manual PDF

Merge pull request #1475 from duanzaixu/gitpr

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Merge pull request #1440 from brucefan1983/5.1

5.1

Merge pull request #1398 from duanzaixu/gitpr

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Merge pull request #1371 from brucefan1983/4.9.1

4.9.1

Merge pull request #1357 from brucefan1983/4.9

4.9

Merge pull request #1324 from brucefan1983/test_cg_fix_com

Test cg fix com

Merge pull request #1277 from duanzaixu/gitpr

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Merge pull request #1239 from duanzaixu/gitpr

Add version information in Manual PDF