Merge pull request #12 from shtrom/update-submodules

Re-point submodules to gkdr's, and bump to master
Patch libgcrypt 1.6.2 back into Adium, using git am
Update MACOSX_DEPLOYMENT_TARGET to 10.13 (High Sierra)
Instruct carbons to build a static plugin
Update/fix pluginDescription
Enable debug
Let XCode do its magic
Fix purple_init_*_plugin prototypes
Update PBXShellScriptBuildPhase #10

.gitmodules

@@ -1,9 +1,9 @@
 [submodule "vendor/lurch"]
 	path = vendor/lurch
-	url = https://github.com/shtrom/libpurple-lurch
+	url = https://github.com/gkdr/lurch
 [submodule "vendor/carbons"]
 	path = vendor/carbons
-	url = https://github.com/shtrom/libpurple-carbons
+	url = https://github.com/gkdr/carbons
 [submodule "vendor/mxml"]
 	path = vendor/mxml
 	url = https://github.com/michaelrsweet/mxml.git