Add a UI to the Windows installer

We'll be able to control whether the app starts up or not after
installation.
Switch license file to rtf and to the right license
Merge tag '4.1.0' into windows-installer-ui

4.1.0
Update license reference
Make source install install the dependencies it requires
Fix python-redis dependency
Split out non pure python dependencies that are not absolutely required
Fixed closing parenthesis
Redis: Adds support for checking length of sets, sorted sets and hashes as well.

Also, send 0 as the value in case the type is unsupported or doesn't exist.
Releaste tag will be 5.0.0
Merge with master
Prepare installation script for SCA Agent release
SNMP checks| First pass at supporting table querying
SNMP checks| Extract table tags in a function + cleanup
SNMP Checks| Use correct name
SNMP Checks| Reallow the possibility for non mib loaded oid
SNMP Checks| Fix tests and bug for oid querying
SNMP Checks| prettyPrint the tags and remove debug statement
SNMP Checks| remove accidental commit of dev test configuration
SNMP Checks| Don't query for no oids