add authentication php
add backend.php
add backend.php
add function getMe in backend.php
Can show pie graph
update front ui
add test pie graph
add types table to schema
Can draw line graph now
Merge branch 'master' of https://bitbucket.org/cs3216/2014-assg1-group05

# By tang
# Via tang
* 'master' of https://bitbucket.org/cs3216/2014-assg1-group05:
  add types table to schema
Rename the file create data for pie graph
Debug with pie graph
add report
Merge branch 'master' of https://bitbucket.org/cs3216/2014-assg1-group05
Have two lines on the graph for last month and this month
Merge branch 'master' of https://bitbucket.org/cs3216/2014-assg1-group05

# By tang
# Via tang
* 'master' of https://bitbucket.org/cs3216/2014-assg1-group05:
  add report
update images
Add last month line for comparing
Merge branch 'master' of https://bitbucket.org/cs3216/2014-assg1-group05

# By tang
# Via tang
* 'master' of https://bitbucket.org/cs3216/2014-assg1-group05:
  update images
Trying out posts retrieval. PHP SDK seems buggy