Support for DataMember attribute
CSS: Don't throw exceptions on HTTP URLs

Only call Directory.Exists() if it's actually a local path.
CSS: Fix image preview tooltips

Allow HTTPS images
Add better exception handling
Remove duplicated code
Use centralized relative path logic

Fixes #255
Helpers: Misc Project Path Fixes

Fixes #232 (GetRootFolder() for Installer projects)
Fix path methods for Miscellaneous Files with no solution open
CSS: Load image tooltips asynchronously

Also handles load failures correctly, and
shows image dimensions in base64 tooltips.
Code: Don't crash whenever you save a CS file

Don't assume that all CS / VB files
have nothing but methods.
Merge pull request #263 from SLaks/css-quick-info-rewrite

Completely rewrite CSS Image Tooltips
Removed Chrome extension
Added Save as File from base64 html <img>
Code: Improve C# -> JS IntelliSense generation

Use an actual XML parser
Correctly XML-escape emitted descriptions
Misc cleanup
Use CodeModel to find attribute arguments
Code: Don't parse CS file unnecessarily
Merge pull request #264 from SLaks/code-js-fixes

Code IntelliSense Improvements
Fixed crashing issue with bad base64 syntax