re #13925

with CopyPropertiesfrom

re #13925

Refs #8784

to algorithm base classes.
Refs #4218

Touches nearly everything unfortunately but is necessary.

To fix SANS system tests

This should have it now

Oh, and I changed the default separator of multiple categories to ; rather than ,

Forgot the IAlgorithm and AlgorithmProxy changes - included now

Added tests for correct alias.
refs #2823

This should be everything I need for the Framework to make using the Load algorithm much simpler (including from C++). Re #2329

Rename Framework code directory to just that. Also delete Main and VS & Eclipse project file. Re #1881.

Refs #1455: on Linux, at least, qtiplot build raises many many warnings when a function returns a const int; changed Algorithm's version() function to return just an int. These raise 'type qualifiers ignored on function return type' because the const on the return value is superfluous, according to: http://stackoverflow.com/questions/1134237/pedantic-gcc-warning-type-qualifiers-on-function-return-type 

Modify AlgorithmProxy::executeAsyncImpl to avoid creation of third, redundant thread when executing algorithms asynchronously (e.g. in MantidPlot). Also some tidying up of the affected files. Re #1333.

LoadNexus runs LoadISISNexus as a sub-algorithm. LoadISISNexus populates the instrument parameter map. re #542.