NX-392: Completely remove old plugin manager and related classes
NX-392: improve startup performance (GLOBAL_INDEX maps to getResources which is faster than findEntries for bundles with embedded jars; when we move to fine-grained bundles we can go back to INDEX)
NX-392: cleanup logging
Removing WrappingInputStream which duplicates FilterInputStream
Removing WrappingInputStream which duplicates FilterInputStream
Stray import missed.
NX-392: use ApplicationDirectories to access ${nexus-app} path
Add nexus-app property to legacy IT client
Merge pull request #498 from sonatype/NX-392-remove-plugin-manager

NX-392: Completely remove old plugin manager and related classes
Extract formfields into discrete nexus-formfields-api module
NEXUS-6510 Log stack trace for LocalStorageException (PR #496)
NEXUS-6530: Verified and added the fix

Manually verified that this is the issue and the
proposed fix is the proper solution

(btw, nuget was served up as "generic" octet-stream
until now).

Manually tested with this change.
NEXUS-6501: Validating path before doing HTTP request

Added code to verify the path before doing any
remote HTTP calls, to prevent HC4 Http method
to throw unchecked exception, and thus create
a huge log spam with stack trace.

The fact and invalid path is logged.
Merge pull request #499 from sonatype/remove-wrappedinputstream

REVIEW Remove wrappedinputstream
Rename nexus-formfields-api module -> nexus-formfields
Merge pull request #501 from sonatype/extract-formfields-api

REVIEW: Extract formfields into discrete nexus-formfields-api module
Adding file blob store.
Ongoing changes.
First cut at top level of file blob store.
Checkpoint after implementing basic blob metrics.