[BUGFIX] Do not share schema

Initially when Solr starts up it parses the schema for managed resources. When reloading a core the managed resources get lost as the schema is not parsed again with the shareSchema attribute set to true.

Change-Id: I714e849f4f8fbd92d548501e05addd97613d90fb
Add a method to reload a Solr core

Change-Id: Ie447695036fdf0f6ae2c3a30f9c1433535f31c8d
Reload Solr core after synonym operations

Change-Id: I235328239d44976b54e73b73392341100b423207
Ignore vendor folder

Change-Id: I91e4d465d71bfc79c8c8bec3d37efeba72415a90