IR: LV2 Convolution Reverb

Version 1.2.1 and 1.3.1 - 2011.07.10 17:10 CEST
	Fixed Makefile from David Robillard. The change is that the module now relies on
	the GNU linker (via -z nodelete) to prevent unloading instead of reliance on the
	LV2 host obeying lv2:requiredFeature uiext:makeResident.
	This fixes http://tracker.ardour.org/view.php?id=4112
	Note: IR 1.2.1 and 1.3.1 are versions with the same fix applied to IR 1.2 and 1.3,
	respectively. This dual versioning is necessary because 1.2 and 1.3 are in their
	own right both valid, but incompatible, versions. You have to choose which one
	you need - please see the plugin webpage for details.

Version 1.3 - 2011.02.04 18:24 CET
        bugfix release
        * fix when being run with randomly varying block sizes
        * fix issues with automation:
          http://tracker.ardour.org/view.php?id=3214
        * with very small block sizes zita-convolver doesn't seem to work
        Due to added buffering, these fixes necessitate processing latency (reported
        to host via standard LV2 mechanism). Latency is 2^N samples where N >= 10, its
        actual value depends on the JACK period size.

Version 1.2 - 2011.01.25 17:35 CET
	bugfix & compatibility enhancements release:
	* fix ir.ttl typo: "doap:license" instead of "doap:licence"
	* visual feedback of the progress of resampling operations
	* resampling operations are interruptible; you can no longer crash
	  the plugin by deleting it while resampling a long impulse file
	* correct GTK2 version requirement and check it in the Makefile:
	  at least GTK 2.16 is needed

Version 1.1 - 2011.01.14 21:12 CET
	bugfix release:
	* really use the user's homedir for storing the .ir_save file
	* proper GType and GThread initialization, at the proper place (loading of the plugin shared library)
	* fix ir.ttl: add missing namespace prefix "rdf"
	* fix usage of zita-convolver (proper stopping and deallocating of Convproc instances)
	* fix crash when removing a never-unbypassed plugin instance

Version 1.0 - 2011.01.13. 23:08 CET
	initial public release