Improve recovering from conflicting objdir/srcdir builds. Add cleansrcdir target to client.mk. Update the objdir vs. srcdir build instructions in configure.

(really cyeh) add source files to optimized target. the components were compiled with the runtime, so they registered succesfully, but registered as completely empty. blow away your registry and then rerun after rebuilding these. only effects optimized versions.

nsFtpConnectionThread.*    - added the passive data connection mode (PASV) state

Always init the image loader (fixes bug #5238); don't load images with zero set dimensions (bug #5381); cancel extraneous reflows to improve performance

A 4AcK to get this working with gtk+. Normally plus signs in urls are used to represent spaces. Here we need to actaully use plus signs so i'm disabling the plus->space conversion.  Hopefully this doesn't break anything.

free the PRFileDesc only if the file is successfully transmitted.

Add signals/methods from tracking realization.