llama : deprecate llama_kv_self_ API (ggml-org#14030)

* llama : deprecate llama_kv_self_ API

ggml-ci

* llama : allow llama_memory_(nullptr)

ggml-ci

* memory : add flag for optional data clear in llama_memory_clear

ggml-ci

mtmd-helper : bug fix to token batching in mtmd (ggml-org#13650)

* Update mtmd-helper.cpp

* Update tools/mtmd/mtmd-helper.cpp

Co-authored-by: Xuan-Son Nguyen <[email protected]>

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Co-authored-by: Xuan-Son Nguyen <[email protected]>

llama : remove llama_kv_cache_view API + remove deprecated (ggml-org#…

…13653)

ggml-ci

common : add load_progress_callback (ggml-org#13617)

gguf : use ggml log system (ggml-org#13571)

* gguf : use ggml log system

* llama : remove unnecessary new lines in exception messages

webui : handle PDF input (as text or image) + convert pasted long con…

…tent to file (ggml-org#13562)

* webui : handle PDF input (as text or image)

* handle the case where pdf image + server without mtmd

* fix bug missing pages