add get pdf filename variable and function
authorJohn Kitchin <jkitchin@andrew.cmu.edu>
Sun, 3 May 2015 23:05:52 +0000 (19:05 -0400)
committerJohn Kitchin <jkitchin@andrew.cmu.edu>
Sun, 3 May 2015 23:05:52 +0000 (19:05 -0400)
commit2a7b35e17931bb02e295a3cc3a55e2a8c20785e6
tree2b7f783ff9220c1e26512db9509b00635353d00b
parentd00ef12e4990669ff7c925e9385d586cedae5bad
add get pdf filename variable and function

change other functions to use it. This makes it possible for a user to create a function to get a filename from mendeley, from a file field, etc...
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