added installer documentation

Author: nir0s

README.md

@@ -56,7 +56,7 @@ print(p.fix(output_file))
 The `output_file` parameter will write the output of the `fix` function to a file.
 
 
-###  [Packer.inspect()](https://www.packer.io/docs/command-line/inspect.html)
+### [Packer.inspect()](https://www.packer.io/docs/command-line/inspect.html)
 
 A `-machine-readable` (mrf) argument is provided.
 
@@ -152,6 +152,19 @@ p = packer.Packer(packerfile, ...)
 print(p.version())
 ```
 
+### PackerInstaller.install()
+
+This installs packer to `packer_path` using the `installer_path` and verifies that the installation was successful.
+
+```python
+
+packer_path = '/usr/bin/'
+installer_path = 'Downloads/packer_0.7.5_linux_amd64.zip'
+
+p = packer.Installer(packer_path, installer_path)
+p.install()
+```
+
 ## Shell Interaction
 
 The [sh](http://amoffat.github.io/sh/) Python module is used to execute Packer.

packer/__init__.py

@@ -204,7 +204,7 @@ def _parse_inspection_output(self, output):
         return parts
 
 
-class Install():
+class Installer():
     def __init__(self, packer_path, installer_path):
         self.packer_path = packer_path
         self.installer_path = installer_path
@@ -232,6 +232,3 @@ class ValidationObject():
 
 class PackerException(Exception):
     pass
-
-
-# 0587508070

tester.py

@@ -9,7 +9,7 @@
 vars = {}
 vars_file = '/x'
 
-p = packer.Install('packer_executables/', 'packer_0.7.5_linux_amd64.zip')
+p = packer.Installer('packer_executables/', 'packer_0.7.5_linux_amd64.zip')
 # If we installed packer using the provided installer, it will return
 # packer's executable path. We can use it below:
 # packer_exec = p.install()