Temporarily removed autocmplete demo files

Autocomplete components reference some test test resources and therefore
broke the docs app in OSGi mode.

Will restore these namespaces after the issue is resolved:
autocompleteDemo
demoAutocomplete
uiAutocompleteTopic
Fix symbolSet.json generation

Added post-processing to fix two problems with: symbolSet.json:
1. In Windows environment backslashes from the file path break
subsequent JSON parsing
2. In OSGi mode we want relative bundle path instead of embedding
absolute path of the build location
NPE-prone return fixed
Adding sun.reflect, sun.misc to CP

Classes from these packages were missing (e.g., sun.misc.Unsafe) cause
obscure CNF exceptions.

Need to revisit this in the future
Restructured LoadingMonitor

1. Restructured LoadingMonitor to make it more reliable
2. Added .gitattributes (seems like a good idea per Github Windows tool)
3. Updated ComponentLocationAdapter_components_aura_components javadoc
Fixing line termination

As suggested by Github Windows tool