[WIP] dataloading cleanup (#332)

* testing; need to merge

* fixing wrong base file in models/base

* pushed input parser into datasets class to abstract away fetching data in dataloader

* slight name chage and all

* nits

* added dataparser

* added licnese

docs/tutorials/pipelines/creating_pipelines.ipynb

@@ -72,14 +72,12 @@
     "<summary>DataManager Components</summary>\n",
     "<br>\n",
     "Datasets Parsers:<br>\n",
-    "    <em style=\"padding-left:2em\">Takes a data location and returns a DatasetInputs instance. A DatasetInputs will contain all data needed throughout the pipeline.</em>\n",
+    "    <em style=\"padding-left:2em\">Takes a data location and returns a DatsetInputs instance. A DatsetInputs will contain all data needed throughout the pipeline.</em>\n",
     "<li>Vanilla Image DataParser</li>\n",
-    "<li>Panoptic Image DataParser</li>\n",
     "<br>\n",
     "Image Datasets:<br>\n",
     "    <em style=\"padding-left:2em\">Takes image filename information and can return images.</em>\n",
     "<li>Vanilla Image Dataset</li>\n",
-    "<li>Panoptic Image Dataset</li>\n",
     "<br>\n",
     "Image Dataloader:<br>\n",
     "    <em style=\"padding-left:2em\">Takes an Image Dataset and samples images from it.</em>\n",
@@ -119,8 +117,8 @@
     "import torch\n",
     "\n",
     "from nerfactory.utils.config import DataManagerConfig, ModelConfig, PipelineConfig, ViewerConfig\n",
-    "from nerfactory.dataloaders.base import DataManager\n",
-    "from nerfactory.dataloaders.structs import DatasetInputs\n",
+    "from nerfactory.datamanagers.base import DataManager\n",
+    "from nerfactory.datamanagers.structs import DatasetInputs\n",
     "from nerfactory.models.base import Model\n",
     "from nerfactory.pipelines.base import Pipeline\n",
     "from nerfactory.models.instant_ngp import NGPModel\n",