fixed python community icon-robots.txt
initial python project interpreters page
added proper tooltip for install/uninstall buttons
added options for the details button
second iteration for python project interpreters page

Added More/Show All buttons
filter out symlinks from suggested interpreters homepath
Add detected sdk to project
Sorting for interpreters combobox
Added separators to interpreter combobox
show packages for detected sdk, fixed NPE if no interpreter selected
get rid of make active for selected checkbox in create virtual env
all sdks properly added to sdk combobox
svn: Refactored SvnChangeList - removed duplication, simplified code flow
svn: Refactored SvnCommandLineInfoClient - code simplifications, warnings fixes
svn: Refactored RemoteRevisionsNumberCache - code simplifications, warnings fixes
svn: Ensure repository relative path is used in SvnChangeList logic (logic was broken and full path was returned after changes in commit 42c824)
initial version of show all/more actions
don't add already existed sdk
added generate skeletons action
NPE
added focus to sdk list
PythonSdkDetailsStep renamed
put detected vEnv in front of other detected vEnvs
apply in case of detected sdk