PHPDoc comment doesn't contain all necessary @throws tag

close #5762
docs/guide-ja/start-looking-ahead.md added [ci skip]

close #5763
skipping image dir in apidoc if it does not exist
CHANGELOG
PHP type casting
Use elseif instead of else if
Correct order of property declaration
Correct type declarations
Merge pull request #5766 from mongosoft/feature

Code style fixes
docs/guide-ja/structure-overview.md added [ci skip]
Merge pull request #5772 from softark/docs-ja-2014-10-26

docs/guide-ja/structure-overview.md added [ci skip]
Added Compare with Clipboard tip for Aptana Studio
docs/guide/start-looking-ahead.md modified - "chapter" instead of "section" [ci skip]
docs/guide/structure-entry-scripts.md modified [ci skip]
Merge pull request #5775 from softark/docs-2014-10-25

[ci skip] docs/guide corrections
docs/guide-ja/structure-entry-scripts.md added
Merge pull request #5773 from joshijitendra/patch-2

[skip ci] Added Compare with Clipboard tip for Aptana Studio
Merge pull request #5777 from softark/docs-ja-2014-10-26B

[skip ci] docs/guide-ja/structure-entry-scripts.md added
Fixes #5508: Dropped the support for the `--append` option for the `fixture` command
Fixed test break.