genearte_exception_message_for_git

[i053322]

What does this PR do?

In action like clone , fetch , pull , push I added messages for case of SSL or if the message start with file name to long security issue,

What issues does this PR fix or reference?

The message handle in two new cases:

1. SSL in case of SSLHandshakeException we raise message SAP Web IDE is not configured to trust the security certificate provided by the Git server.
2. in case that the message start with "file name too long" - there is security issue, error message should not include complete local file path on the target system

Previous Behavior

Remove this section if not relevant
The message that raisewas from Throwable message

New Behavior

This content may also be included in the release notes.

Tests written?

Yes/No
There are tests for all the git actions

Docs requirements?

Include the content for all the docs changes required.

1. API changes
2. User docs changes

Please review Che's Contributing Guide for best practices.

Change-Id: I399e92bd075f1282be90fc3cdd1aadd470261ae8
Signed-off-by: i053322 yossi.balan@sap.com

[i053322]

@vinokurig - create the PR from che 4.x

[vinokurig]

OK for me

[skabashnyuk]

ok. @tareqhs up to you to merge with PR.