made the tags and replace commands user configurable
code style
replace a few uses of concat with expand-file-name
added a couple more potential project root files
Display files subpaths within root directory in the helm-projectile.
Use new syntax for helm.
Use project name for the helm prompt.
Merge pull request #36 from asok/omit-project-root-in-candidates-display

Display files subpaths within root directory in the helm-projectile.
Merge pull request #37 from asok/prepend-project-name-to-helm-prompt

Prepend project name to helm prompt
Use candidates-in-buffer to speed up candidates selection.
Fix a typo.
Merge pull request #38 from asok/use-candidates-in-buffer

Use candidates in buffer
Use candidates-in-buffer also for project buffers.
Merge pull request #39 from asok/use-candidates-in-buffer

Use candidates-in-buffer also for project buffers.
improve erlang support by adding ignored files and directories
Add "C-c p l" to compile the project

Based on variable projectile-project-compilation-commands projectile
chooses appropriate way to run compilation command for the
project. Check is done by running defined lambdas. Currently supports
local rebar binary, global rebar binary and running "make" depending
on existence of Makefile
Add "C-c p p" to run tests in current project

Done the same way as "C-c p l" to compile the project
Add compile and test commands to README
Merge pull request #40 from gleber/improve-erlang-support

improve erlang support by adding ignored files and directories
Merge pull request #41 from gleber/project-compile

Add "C-c p l" to compile the project