Add AMR-WB support using libstagefright.
Also improve current implementation of AMR-NB to use the opencore one from pjsip.
We now just emulate opencore from libstagefright library available in android OS (if there).

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2175 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Move g729 as a plugin.

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2176 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Remove the need of g729 confirmation as now part of plugin supposed to be retrieved when legally possible.

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2178 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Add Spirit wizard

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2179 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Add DigiTel wizard

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2180 9f815046-5998-e9c0-b7e2-ac03a23edfa4