Markdown formatting fixes

- mark all code blocks with ```
- unify empty lines between sections
- adjust list syntax (no space before dash)
- adjust headers to use Atx-style syntax
- remove trailing spaces

developer/debugging/profiling.md

@@ -8,15 +8,13 @@ redirect_from:
 - /wiki/Profiling/
 ---
 
-Profiling
-=========
+# Profiling
 
 This is a python profiling primer.
 
 For the purpose of this document, `qubes-dev` is name of the domain used for postprocessing profiling stats.
 
-Requirements
-------------
+## Requirements
 
 ~~~
 yum install gprof2dot graphviz
@@ -30,10 +28,9 @@ mkdir -p ~/profiling
 qvm-run -p qubes-dev 'cat ~/profiling/Upload.sh' > ~/profiling/Upload.sh
 ~~~
 
--   WARNING: this will obviously be running third-party code which is not signed by ITL nor Fedora. You have been warned.
+- WARNING: this will obviously be running third-party code which is not signed by ITL nor Fedora. You have been warned.
 
-Workflow
---------
+## Workflow
 
 ### Identify function responsible for some slow action
 
@@ -43,17 +40,21 @@ You have to select the area in which you suspect less than optimal performance.
 
 Replace
 
+```python
     def foo(self, bar):
         # function content
+```
 
 with
 
+```python
     def foo(self, *args, **kwargs):
         profile.runctx('self.real_foo(*args, **kwargs)', globals(), locals(),
             time.strftime('/home/user/profiling/foo-%Y%m%d-%H%M%S.pstats'))
 
     def real_foo(self, bar):
         # function content
+```
 
 ### Run application
 
@@ -88,8 +89,7 @@ This creates `index.html` with all SVG graphics linked to TXT files, ready for u
 make REMOTE=example.com:public_html/qubes/profiling/ upload
 ~~~
 
-Example
--------
+## Example
 
 This example is from `qubes-manager` (`qubesmanager/main.py`).