* Move headers to relevant include directories within the target tree(s)
* Adjust doxygen configuration to search correct paths
* Adjust CMake configuration to use new include paths

* Add jfrog_cli_rt_search() and JFRT_Search structure

* Ensure authentication arguments are written before a subsystem task's arguments

* When artifactory is enabled check if the release is already present.

* When artifactory is disabled the check will be made against the local filesystem.

Includes minor changes:
* Rename jfrt_upload_set_defaults to jfrt_upload_init
* Move jfrt_auth_init to artifactory.c
* Adds missing error handling to git_describe and git_rev_parse

* Change type of build-number from int to string. RTFM'd.