Better inspect errors for empty URLs.

[SVN r47751]
Add missing <cstring> include for g++ 4.3.

Fixes #2210, thanks to Steven Robbins.


[SVN r48184]
Ignore OS X kipple.


[SVN r48236]
Missing no_link_errors check.


[SVN r48237]
Change tag of link errors from *HTML* to *LINK*.

I'm going to check for links in other types of files.


[SVN r48238]
Add link checking for css files.

Fixes #2173.


[SVN r48239]
Clean up some link errors.

[SVN r48987]
If revision not found in inspect root, try directory svn_info one level up

[SVN r49420]
Label the line ending inspect errors.

[SVN r50799]
Ignore some version control files in inspect.

[SVN r51042]
Check for invalid css links in html files as well as css files.

[SVN r52663]
Check for external links.

[SVN r52664]
Better inspect error for external content.

[SVN r52712]
Fixes #2963

[SVN r52995]
Filter out comments and string literals in the min/max check.  Fixes #3055

[SVN r53144]
Use wrong line ends in wrong_line_ends_test.cpp.

[SVN r53923]
Check that all C and C++ files end with a newline. Fixes #3174

[SVN r53925]
Added test for Apple macros

[SVN r57820]
Add checks for broken or duplicate bookmarks

[SVN r59099]
Report one line per problem

[SVN r59121]