[gi] annotate nicks for the elements of HTTPVersion enum
[gi] annotate nicks for the elements of HTTPVersion enum

* GI was parsing as HTTPVersion.SOUP_HTTP_1_0 as HTTPVersion.0
* GI now parses as HTTPVersion.HTTP_1_0 (identifiers can't start with a number
  so we append HTTP for good measure)

jwendell/libsoup,jwendell/libsoup,Distrotech/libsoup,fanc999/libsoup,fanc999/libsoup,jwendell/libsoup,jwendell/libsoup,fanc999/libsoup,Distrotech/libsoup,fanc999/libsoup,ahmedammar/platform_external_gst_libsoup,Distrotech/libsoup,fanc999/libsoup,ahmedammar/platform_external_gst_libsoup,ahmedammar/platform_external_gst_libsoup,Distrotech/libsoup,Distrotech/libsoup,jwendell/libsoup