Add AIXMLLindenGenepool - redo of archetype export/import using AIXML*.

In order to remove code duplication, and as prove of concept,
I redid the linden_genepool archetype export and import (from the Edit
Appearance Floater), using AIXML and AIAlert.

The import/export code did shrink significantly, and became a lot
simpler. Although a new file pair (aixmllindengenepool.{cpp,h}) is
added to define the (de)serialization of the linden_genepool XML format,
that code is now centralized in one place, and still a lot simpler.

As a bonus however, every possible error is now semi-automatically
reported to the user with all details that might help to overcome
the problem, like file names and system errors.

indra/llappearance/lldriverparam.h

@@ -117,7 +117,8 @@ public:
 	/*virtual*/ void				stopAnimating(BOOL upload_bake);
 	/*virtual*/ BOOL				linkDrivenParams(visual_param_mapper mapper, BOOL only_cross_params);
 	/*virtual*/ void				resetDrivenParams();
-	
+	/*virtual*/ char const*			getTypeString(void) const { return "param_driver"; }
+
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion();
 	/*virtual*/ const LLVector4a&	getAvgDistortion();

indra/llappearance/llpolymorph.h

@@ -173,6 +173,7 @@ public:
 	// LLVisualParam Virtual functions
 	///*virtual*/ BOOL				parseData(LLXmlTreeNode* node);
 	/*virtual*/ void				apply( ESex sex );
+	/*virtual*/ char const*			getTypeString(void) const { return "param_morph"; }
 	
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion();

indra/llappearance/llpolyskeletaldistortion.h

@@ -109,7 +109,8 @@ public:
 	// LLVisualParam Virtual functions
 	///*virtual*/ BOOL				parseData(LLXmlTreeNode* node);
 	/*virtual*/ void				apply( ESex sex );
-	
+	/*virtual*/ char const*			getTypeString(void) const { return "param_skeleton"; }
+
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion() { return 0.1f; }
 	/*virtual*/ const LLVector4a&	getAvgDistortion()	{ return mDefaultVec; }

indra/llappearance/lltexlayerparams.h

@@ -86,6 +86,7 @@ public:
 	/*virtual*/ void		setWeight(F32 weight, BOOL upload_bake);
 	/*virtual*/ void		setAnimationTarget(F32 target_value, BOOL upload_bake); 
 	/*virtual*/ void		animate(F32 delta, BOOL upload_bake);
+	/*virtual*/ char const* getTypeString(void) const { return "param_alpha"; }
 
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion()									{ return 1.f; }
@@ -177,7 +178,7 @@ public:
 	/*virtual*/ void			setWeight(F32 weight, BOOL upload_bake);
 	/*virtual*/ void			setAnimationTarget(F32 target_value, BOOL upload_bake);
 	/*virtual*/ void			animate(F32 delta, BOOL upload_bake);
-
+	/*virtual*/ char const* getTypeString(void) const { return "param_color"; }
 
 	// LLViewerVisualParam Virtual functions
 	/*virtual*/ F32					getTotalDistortion()									{ return 1.f; }

indra/llappearance/llviewervisualparam.cpp

@@ -143,6 +143,12 @@ BOOL LLViewerVisualParam::setInfo(LLViewerVisualParamInfo *info)
 	return TRUE;
 }
 
+//virtual
+std::string LLViewerVisualParam::getDumpWearableTypeName(void) const
+{
+  return LLWearableType::getTypeName(LLWearableType::EType(getInfo()->mWearableType));
+}
+
 /*
 //=============================================================================
 // These virtual functions should always be overridden,

indra/llappearance/llviewervisualparam.h

@@ -82,6 +82,7 @@ public:
 	
 	// LLVisualParam Virtual functions
 	///*virtual*/ BOOL			parseData(LLXmlTreeNode* node);
+	/*virtual*/ std::string		getDumpWearableTypeName(void) const;
 
 	// New Virtual functions
 	virtual F32					getTotalDistortion() = 0;

indra/llappearance/llwearable.h

@@ -41,6 +41,7 @@ class LLVisualParam;
 class LLTexGlobalColorInfo;
 class LLTexGlobalColor;
 class LLAvatarAppearance;
+class AIArchetype;
 
 // Abstract class.
 class LLWearable