Fixed Fedora compatibility

Fedora was listed as based on Red Hat which isn't really
true as fedora can be thought of as Red Hat's testing grounds.
Now, Fedora is listed as it's own entity using dnf instead of
yum. This was tested with Korora 25 based on Fedora 25

README.md

@@ -19,9 +19,9 @@ follows:
 | Elementary      | Debian           |
 | Antergos        | Arch             |
 | Manjaro         | Arch             |
-| Fedora          | RHEL             |
 | CentOs          | RHEL             |
 | Scientific      | RHEL             |
+| Korora          | Fedora           |
 
 #### Supported Independent/Parent distributions
 | Distro          | Supported        |
@@ -30,6 +30,7 @@ follows:
 | Arch            | Yes              |
 | Debian          | Yes              |
 | Solus           | Yes              |
+| Fedora          | Yes              |
 
 #### Options
 * The script can be run with the optional argument of -s to skip the update

python_update.py

@@ -4,9 +4,9 @@
   //                              Python 3 Linux System Update Script                           \\
  //                                         Cody Kankel                                          \\
 ||                                      Started Jul 11, 2016                                      ||
-||                                 Last update: Mar 17th, 2017                                    ||
-\\Currently only supports debian/ubuntu distros with apt-get, and Arch based distros with pacman.//
- \\                            Also supports the independent distro Solus                       //
+||                                 Last update: May 3rd, 2017                                     ||
+\\         Currently supports Arch, Red-Hat, Fedora, and Solus and those based on them.          //
+ \\                                                                                             //
   \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\///////////////////////////////////////////////"""
 
 import subprocess, sys
@@ -78,6 +78,9 @@ def update(user_name):
             update.wait()
             save_update(user_name)
             print("Update complete. . .")
+        elif system == 'fedora':
+            subprocess.check_call(['su','-c', 'dnf upgrade'])
+            save_update(user_name)
     else:
         print("\nSystem is not recognized currently. If you feel as if this is an error,\n"\
                 + "please report it on Github.\n")
@@ -95,16 +98,16 @@ def get_system_type():
     system_id = system_id[system_id.find('=') + 1:]
 
     # switch statement wanna-be
-    distro_choices = {'fedora': 'rhel', 'centos': 'rhel', 'scientific': 'rhel', 'rhel': 'rhel', \
+    distro_choices = {'fedora': 'fedora', 'centos': 'rhel', 'scientific': 'rhel', 'rhel': 'rhel', \
                       'debian': 'debian', 'ubuntu': 'debian', 'xubuntu': 'debian', 'galliumos': 'debian', \
                       'elementary': 'debian', 'arch': 'arch', 'antergos': 'arch', 'manjaro': 'arch', \
                       'solus': 'solus'}
     default = 'Unknown'
     system = distro_choices.get(system_id, default)
+    print(system)
     if system == default:
-        system_id = subprocess.getoutput("cat /etc/os-release | grep'ID_LIKE=").split('\n')[0]
-        system_id = system_id.replace('"', '')
-
+        system_id = subprocess.getoutput("cat /etc/os-release | grep 'ID_LIKE='").split('=')[1]
+        system = system_id.replace('"', '')
     return system
 #^----------------------------------------------------------------------------- find_system_type()