Update proj4js for latest version 2.1.4
Add dropzone 3.10.2.
Merge pull request #3527 from ahocevar/proj4-2.1.4

[Author] Update proj4js for latest version 2.1.4
Merge pull request #3528 from mfinelli/dropzone-3.10.2

Add dropzone 3.10.2.
Updated packages via auto-update.js
add gridster v0.5.3
Merge pull request #3529 from PeterDaveHello/gridster_v0.5.3

add gridster v0.5.3
fix desc in jquery.tablesorter/package.json
reindent & retab in jquery.gridster/package.json
add tablesorter v2.17.4, correct the dir structure from this version
Merge pull request #3530 from PeterDaveHello/tablesorter_v2.17.4

add tablesorter v2.17.4, correct the dir structure from this version
try to follow official package.json in gridster
remove php in webshim, because we don't serve it
remove gz archive file, because we don't serve it
remove psd files in extjs, because we don't serve it
remove psd files in yui, because we don't serve it
remove htm files in tinymce, because we don't serve it
Updated packages via auto-update.js
Updated packages via auto-update.js
Updated packages via auto-update.js